317289593 has 2 divisors, whose sum is σ = 317289594. Its totient is φ = 317289592.

The previous prime is 317289587. The next prime is 317289617. The reversal of 317289593 is 395982713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288592144 + 28697449 = 16988^2 + 5357^2 .

It is a cyclic number.

It is not a de Polignac number, because 317289593 - 2²⁰ = 316241017 is a prime.

It is a super-2 number, since 2×317289593² = 201345371652211298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (317289503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158644796 + 158644797.

It is an arithmetic number, because the mean of its divisors is an integer number (158644797).

Almost surely, 2^317289593 is an apocalyptic number.

It is an amenable number.

317289593 is a deficient number, since it is larger than the sum of its proper divisors (1).

317289593 is an equidigital number, since it uses as much as digits as its factorization.

317289593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 47.

The square root of 317289593 is about 17812.6245399155. The cubic root of 317289593 is about 682.0537627858.

The spelling of 317289593 in words is "three hundred seventeen million, two hundred eighty-nine thousand, five hundred ninety-three".