It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 164 025 013 is not a prime number.
For example, 164 025 013 can be divided by 727: 164 025 013 / 727 = 225 619.
For 164 025 013 to be a prime number, it would have been required that 164 025 013 has only two divisors, i.e., itself and 1.
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164 025 013 is an odd number, because it is not evenly divisible by 2.
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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 164 025 013 is about 12 807.225.
Thus, the square root of 164 025 013 is not an integer, and therefore 164 025 013 is not a square number.
The square of a number (here 164 025 013) is the result of the product of this number (164 025 013) by itself (i.e., 164 025 013 × 164 025 013); the square of 164 025 013 is sometimes called "raising 164 025 013 to the power 2", or "164 025 013 squared".
The square of 164 025 013 is 26 904 204 889 650 168 because 164 025 013 × 164 025 013 = 164 025 0132 = 26 904 204 889 650 168.
As a consequence, 164 025 013 is the square root of 26 904 204 889 650 168.
164 025 013 is a number with 9 digits.
The multiples of 164 025 013 are all integers evenly divisible by 164 025 013, that is all numbers such that the remainder of the division by 164 025 013 is zero. There are infinitely many multiples of 164 025 013. The smallest multiples of 164 025 013 are: