It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 497 is not a prime number.
For example, 240 497 can be divided by 29: 240 497 / 29 = 8 293.
For 240 497 to be a prime number, it would have been required that 240 497 has only two divisors, i.e., itself and 1.
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240 497 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 240 497 is about 490.405.
Thus, the square root of 240 497 is not an integer, and therefore 240 497 is not a square number.
The square of a number (here 240 497) is the result of the product of this number (240 497) by itself (i.e., 240 497 × 240 497); the square of 240 497 is sometimes called "raising 240 497 to the power 2", or "240 497 squared".
The square of 240 497 is 57 838 807 009 because 240 497 × 240 497 = 240 4972 = 57 838 807 009.
As a consequence, 240 497 is the square root of 57 838 807 009.
The multiples of 240 497 are all integers evenly divisible by 240 497, that is all numbers such that the remainder of the division by 240 497 is zero. There are infinitely many multiples of 240 497. The smallest multiples of 240 497 are: