317245589 has 2 divisors, whose sum is σ = 317245590. Its totient is φ = 317245588.

The previous prime is 317245583. The next prime is 317245627. The reversal of 317245589 is 985542713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284091025 + 33154564 = 16855^2 + 5758^2 .

It is an emirp because it is prime and its reverse (985542713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317245589 - 2²⁸ = 48810133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317245583) 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, 158622794 + 158622795.

It is an arithmetic number, because the mean of its divisors is an integer number (158622795).

Almost surely, 2^317245589 is an apocalyptic number.

It is an amenable number.

317245589 is a deficient number, since it is larger than the sum of its proper divisors (1).

317245589 is an equidigital number, since it uses as much as digits as its factorization.

317245589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 44.

The square root of 317245589 is about 17811.3893057223. The cubic root of 317245589 is about 682.0222306230.

The spelling of 317245589 in words is "three hundred seventeen million, two hundred forty-five thousand, five hundred eighty-nine".