It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 508 618 is not a prime number.
For example, 508 618 can be divided by 2: 508 618 / 2 = 254 309.
For 508 618 to be a prime number, it would have been required that 508 618 has only two divisors, i.e., itself and 1.
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508 618 is an even number, because it is evenly divisible by 2: 508 618 / 2 = 254 309.
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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 508 618 is about 713.175.
Thus, the square root of 508 618 is not an integer, and therefore 508 618 is not a square number.
The square of a number (here 508 618) is the result of the product of this number (508 618) by itself (i.e., 508 618 × 508 618); the square of 508 618 is sometimes called "raising 508 618 to the power 2", or "508 618 squared".
The square of 508 618 is 258 692 269 924 because 508 618 × 508 618 = 508 6182 = 258 692 269 924.
As a consequence, 508 618 is the square root of 258 692 269 924.
The multiples of 508 618 are all integers evenly divisible by 508 618, that is all numbers such that the remainder of the division by 508 618 is zero. There are infinitely many multiples of 508 618. The smallest multiples of 508 618 are: