It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 501 488 is not a prime number.
For example, 501 488 can be divided by 2: 501 488 / 2 = 250 744.
For 501 488 to be a prime number, it would have been required that 501 488 has only two divisors, i.e., itself and 1.
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501 488 is an even number, because it is evenly divisible by 2: 501 488 / 2 = 250 744.
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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 501 488 is about 708.158.
Thus, the square root of 501 488 is not an integer, and therefore 501 488 is not a square number.
The square of a number (here 501 488) is the result of the product of this number (501 488) by itself (i.e., 501 488 × 501 488); the square of 501 488 is sometimes called "raising 501 488 to the power 2", or "501 488 squared".
The square of 501 488 is 251 490 214 144 because 501 488 × 501 488 = 501 4882 = 251 490 214 144.
As a consequence, 501 488 is the square root of 251 490 214 144.
The multiples of 501 488 are all integers evenly divisible by 501 488, that is all numbers such that the remainder of the division by 501 488 is zero. There are infinitely many multiples of 501 488. The smallest multiples of 501 488 are: