Is 561513 a prime number?

561 513 is an odd number, because it is not evenly divisible by 2.

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• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 561 513 is about 749.342.

Thus, the square root of 561 513 is not an integer, and therefore 561 513 is not a square number.

The square of a number (here 561 513) is the result of the product of this number (561 513) by itself (i.e., 561 513 × 561 513); the square of 561 513 is sometimes called "raising 561 513 to the power 2", or "561 513 squared".

The square of 561 513 is 315 296 849 169 because 561 513 × 561 513 = 561 513² = 315 296 849 169.

As a consequence, 561 513 is the square root of 315 296 849 169.

561 513 is a number with 6 digits.

The multiples of 561 513 are all integers evenly divisible by 561 513, that is all numbers such that the remainder of the division by 561 513 is zero. There are infinitely many multiples of 561 513. The smallest multiples of 561 513 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 561 513 too, since 0 × 561 513 = 0
• 561 513: indeed, 561 513 is a multiple of itself, since 561 513 is evenly divisible by 561 513 (we have 561 513 / 561 513 = 1, so the remainder of this division is indeed zero)
• 1 123 026: indeed, 1 123 026 = 561 513 × 2
• 1 684 539: indeed, 1 684 539 = 561 513 × 3
• 2 246 052: indeed, 2 246 052 = 561 513 × 4
• 2 807 565: indeed, 2 807 565 = 561 513 × 5
• etc.

• Preceding numbers: …561 511, 561 512
• Following numbers: 561 514, 561 515…

Nearest numbers from 561 513

• Preceding prime number: 561 461
• Following prime number: 561 521

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• 561 513 est-il un nombre premier ?