It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 509 450 058 is not a prime number.
For example, 509 450 058 can be divided by 2: 509 450 058 / 2 = 254 725 029.
For 509 450 058 to be a prime number, it would have been required that 509 450 058 has only two divisors, i.e., itself and 1.
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509 450 058 is an even number, because it is evenly divisible by 2: 509 450 058 / 2 = 254 725 029.
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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 509 450 058 is about 22 571.000.
Thus, the square root of 509 450 058 is not an integer, and therefore 509 450 058 is not a square number.
The square of a number (here 509 450 058) is the result of the product of this number (509 450 058) by itself (i.e., 509 450 058 × 509 450 058); the square of 509 450 058 is sometimes called "raising 509 450 058 to the power 2", or "509 450 058 squared".
The square of 509 450 058 is 259 539 361 596 203 360 because 509 450 058 × 509 450 058 = 509 450 0582 = 259 539 361 596 203 360.
As a consequence, 509 450 058 is the square root of 259 539 361 596 203 360.
509 450 058 is a number with 9 digits.
The multiples of 509 450 058 are all integers evenly divisible by 509 450 058, that is all numbers such that the remainder of the division by 509 450 058 is zero. There are infinitely many multiples of 509 450 058. The smallest multiples of 509 450 058 are: