317795089 has 2 divisors, whose sum is σ = 317795090. Its totient is φ = 317795088.

The previous prime is 317795047. The next prime is 317795099. The reversal of 317795089 is 980597713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311875600 + 5919489 = 17660^2 + 2433^2 .

It is an emirp because it is prime and its reverse (980597713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317795089 - 2⁹ = 317794577 is a prime.

It is not a weakly prime, because it can be changed into another prime (317795099) 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, 158897544 + 158897545.

It is an arithmetic number, because the mean of its divisors is an integer number (158897545).

Almost surely, 2^317795089 is an apocalyptic number.

It is an amenable number.

317795089 is a deficient number, since it is larger than the sum of its proper divisors (1).

317795089 is an equidigital number, since it uses as much as digits as its factorization.

317795089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 49.

The square root of 317795089 is about 17826.8081551353. The cubic root of 317795089 is about 682.4157796133.

The spelling of 317795089 in words is "three hundred seventeen million, seven hundred ninety-five thousand, eighty-nine".