It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 513 009 672 is not a prime number.
For example, 513 009 672 can be divided by 2: 513 009 672 / 2 = 256 504 836.
For 513 009 672 to be a prime number, it would have been required that 513 009 672 has only two divisors, i.e., itself and 1.
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513 009 672 is an even number, because it is evenly divisible by 2: 513 009 672 / 2 = 256 504 836.
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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 513 009 672 is about 22 649.717.
Thus, the square root of 513 009 672 is not an integer, and therefore 513 009 672 is not a square number.
The square of a number (here 513 009 672) is the result of the product of this number (513 009 672) by itself (i.e., 513 009 672 × 513 009 672); the square of 513 009 672 is sometimes called "raising 513 009 672 to the power 2", or "513 009 672 squared".
The square of 513 009 672 is 263 178 923 565 547 584 because 513 009 672 × 513 009 672 = 513 009 6722 = 263 178 923 565 547 584.
As a consequence, 513 009 672 is the square root of 263 178 923 565 547 584.
513 009 672 is a number with 9 digits.
The multiples of 513 009 672 are all integers evenly divisible by 513 009 672, that is all numbers such that the remainder of the division by 513 009 672 is zero. There are infinitely many multiples of 513 009 672. The smallest multiples of 513 009 672 are: