It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 495 484 is not a prime number.
For example, 495 484 can be divided by 2: 495 484 / 2 = 247 742.
For 495 484 to be a prime number, it would have been required that 495 484 has only two divisors, i.e., itself and 1.
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495 484 is an even number, because it is evenly divisible by 2: 495 484 / 2 = 247 742.
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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 495 484 is about 703.906.
Thus, the square root of 495 484 is not an integer, and therefore 495 484 is not a square number.
The square of a number (here 495 484) is the result of the product of this number (495 484) by itself (i.e., 495 484 × 495 484); the square of 495 484 is sometimes called "raising 495 484 to the power 2", or "495 484 squared".
The square of 495 484 is 245 504 394 256 because 495 484 × 495 484 = 495 4842 = 245 504 394 256.
As a consequence, 495 484 is the square root of 245 504 394 256.
The multiples of 495 484 are all integers evenly divisible by 495 484, that is all numbers such that the remainder of the division by 495 484 is zero. There are infinitely many multiples of 495 484. The smallest multiples of 495 484 are: