It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 513 883 538 is not a prime number.
For example, 513 883 538 can be divided by 2: 513 883 538 / 2 = 256 941 769.
For 513 883 538 to be a prime number, it would have been required that 513 883 538 has only two divisors, i.e., itself and 1.
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513 883 538 is an even number, because it is evenly divisible by 2: 513 883 538 / 2 = 256 941 769.
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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 513 883 538 is about 22 668.999.
Thus, the square root of 513 883 538 is not an integer, and therefore 513 883 538 is not a square number.
The square of a number (here 513 883 538) is the result of the product of this number (513 883 538) by itself (i.e., 513 883 538 × 513 883 538); the square of 513 883 538 is sometimes called "raising 513 883 538 to the power 2", or "513 883 538 squared".
The square of 513 883 538 is 264 076 290 627 397 440 because 513 883 538 × 513 883 538 = 513 883 5382 = 264 076 290 627 397 440.
As a consequence, 513 883 538 is the square root of 264 076 290 627 397 440.
513 883 538 is a number with 9 digits.
The multiples of 513 883 538 are all integers evenly divisible by 513 883 538, that is all numbers such that the remainder of the division by 513 883 538 is zero. There are infinitely many multiples of 513 883 538. The smallest multiples of 513 883 538 are: