625317059 has 2 divisors, whose sum is σ = 625317060. Its totient is φ = 625317058.

The previous prime is 625317023. The next prime is 625317067. The reversal of 625317059 is 950713526.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625317059 - 2⁸ = 625316803 is a prime.

It is not a weakly prime, because it can be changed into another prime (625317019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312658529 + 312658530.

It is an arithmetic number, because the mean of its divisors is an integer number (312658530).

Almost surely, 2^625317059 is an apocalyptic number.

625317059 is a deficient number, since it is larger than the sum of its proper divisors (1).

625317059 is an equidigital number, since it uses as much as digits as its factorization.

625317059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 625317059 is about 25006.3403759926. The cubic root of 625317059 is about 855.1325257679.

The spelling of 625317059 in words is "six hundred twenty-five million, three hundred seventeen thousand, fifty-nine".