It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 474 is not a prime number.
For example, 240 474 can be divided by 2: 240 474 / 2 = 120 237.
For 240 474 to be a prime number, it would have been required that 240 474 has only two divisors, i.e., itself and 1.
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240 474 is an even number, because it is evenly divisible by 2: 240 474 / 2 = 120 237.
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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 240 474 is about 490.381.
Thus, the square root of 240 474 is not an integer, and therefore 240 474 is not a square number.
The square of a number (here 240 474) is the result of the product of this number (240 474) by itself (i.e., 240 474 × 240 474); the square of 240 474 is sometimes called "raising 240 474 to the power 2", or "240 474 squared".
The square of 240 474 is 57 827 744 676 because 240 474 × 240 474 = 240 4742 = 57 827 744 676.
As a consequence, 240 474 is the square root of 57 827 744 676.
The multiples of 240 474 are all integers evenly divisible by 240 474, that is all numbers such that the remainder of the division by 240 474 is zero. There are infinitely many multiples of 240 474. The smallest multiples of 240 474 are: