It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 502 015 238 is not a prime number.
For example, 502 015 238 can be divided by 2: 502 015 238 / 2 = 251 007 619.
For 502 015 238 to be a prime number, it would have been required that 502 015 238 has only two divisors, i.e., itself and 1.
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502 015 238 is an even number, because it is evenly divisible by 2: 502 015 238 / 2 = 251 007 619.
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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 502 015 238 is about 22 405.697.
Thus, the square root of 502 015 238 is not an integer, and therefore 502 015 238 is not a square number.
The square of a number (here 502 015 238) is the result of the product of this number (502 015 238) by itself (i.e., 502 015 238 × 502 015 238); the square of 502 015 238 is sometimes called "raising 502 015 238 to the power 2", or "502 015 238 squared".
The square of 502 015 238 is 252 019 299 184 196 640 because 502 015 238 × 502 015 238 = 502 015 2382 = 252 019 299 184 196 640.
As a consequence, 502 015 238 is the square root of 252 019 299 184 196 640.
502 015 238 is a number with 9 digits.
The multiples of 502 015 238 are all integers evenly divisible by 502 015 238, that is all numbers such that the remainder of the division by 502 015 238 is zero. There are infinitely many multiples of 502 015 238. The smallest multiples of 502 015 238 are: