317564089 has 8 divisors (see below), whose sum is σ = 322710152. Its totient is φ = 312439680.

The previous prime is 317564077. The next prime is 317564111. The reversal of 317564089 is 980465713.

It can be written as a sum of positive squares in 4 ways, for example, as 11594025 + 305970064 = 3405^2 + 17492^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 317564089 - 2⁹ = 317563577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317564069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25567 + ... + 35899.

It is an arithmetic number, because the mean of its divisors is an integer number (40338769).

Almost surely, 2^317564089 is an apocalyptic number.

It is an amenable number.

317564089 is a deficient number, since it is larger than the sum of its proper divisors (5146063).

317564089 is a wasteful number, since it uses less digits than its factorization.

317564089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10827.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 317564089 is about 17820.3279711682. The cubic root of 317564089 is about 682.2503939494.

The spelling of 317564089 in words is "three hundred seventeen million, five hundred sixty-four thousand, eighty-nine".