317525893 has 2 divisors, whose sum is σ = 317525894. Its totient is φ = 317525892.

The previous prime is 317525869. The next prime is 317525899. The reversal of 317525893 is 398525713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227617569 + 89908324 = 15087^2 + 9482^2 .

It is a cyclic number.

It is not a de Polignac number, because 317525893 - 2⁵ = 317525861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317525899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158762946 + 158762947.

It is an arithmetic number, because the mean of its divisors is an integer number (158762947).

Almost surely, 2^317525893 is an apocalyptic number.

It is an amenable number.

317525893 is a deficient number, since it is larger than the sum of its proper divisors (1).

317525893 is an equidigital number, since it uses as much as digits as its factorization.

317525893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 317525893 is about 17819.2562414934. The cubic root of 317525893 is about 682.2230395961.

The spelling of 317525893 in words is "three hundred seventeen million, five hundred twenty-five thousand, eight hundred ninety-three".