It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 507 is not a prime number.
For example, 240 507 can be divided by 3: 240 507 / 3 = 80 169.
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For 240 507 to be a prime number, it would have been required that 240 507 has only two divisors, i.e., itself and 1.
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240 507 is an odd number, because it is not evenly divisible by 2.
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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 240 507 is about 490.415.
Thus, the square root of 240 507 is not an integer, and therefore 240 507 is not a square number.
The square of a number (here 240 507) is the result of the product of this number (240 507) by itself (i.e., 240 507 × 240 507); the square of 240 507 is sometimes called "raising 240 507 to the power 2", or "240 507 squared".
The square of 240 507 is 57 843 617 049 because 240 507 × 240 507 = 240 5072 = 57 843 617 049.
As a consequence, 240 507 is the square root of 57 843 617 049.
The multiples of 240 507 are all integers evenly divisible by 240 507, that is all numbers such that the remainder of the division by 240 507 is zero. There are infinitely many multiples of 240 507. The smallest multiples of 240 507 are: