It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 509 241 902 is not a prime number.
For example, 509 241 902 can be divided by 2: 509 241 902 / 2 = 254 620 951.
For 509 241 902 to be a prime number, it would have been required that 509 241 902 has only two divisors, i.e., itself and 1.
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509 241 902 is an even number, because it is evenly divisible by 2: 509 241 902 / 2 = 254 620 951.
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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 509 241 902 is about 22 566.389.
Thus, the square root of 509 241 902 is not an integer, and therefore 509 241 902 is not a square number.
The square of a number (here 509 241 902) is the result of the product of this number (509 241 902) by itself (i.e., 509 241 902 × 509 241 902); the square of 509 241 902 is sometimes called "raising 509 241 902 to the power 2", or "509 241 902 squared".
The square of 509 241 902 is 259 327 314 752 577 600 because 509 241 902 × 509 241 902 = 509 241 9022 = 259 327 314 752 577 600.
As a consequence, 509 241 902 is the square root of 259 327 314 752 577 600.
509 241 902 is a number with 9 digits.
The multiples of 509 241 902 are all integers evenly divisible by 509 241 902, that is all numbers such that the remainder of the division by 509 241 902 is zero. There are infinitely many multiples of 509 241 902. The smallest multiples of 509 241 902 are: