317056479 has 4 divisors (see below), whose sum is σ = 422741976. Its totient is φ = 211370984.

The previous prime is 317056471. The next prime is 317056483. The reversal of 317056479 is 974650713.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 317056479 - 2³ = 317056471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 317056479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317056471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52842744 + ... + 52842749.

It is an arithmetic number, because the mean of its divisors is an integer number (105685494).

Almost surely, 2^317056479 is an apocalyptic number.

317056479 is a deficient number, since it is larger than the sum of its proper divisors (105685497).

317056479 is a wasteful number, since it uses less digits than its factorization.

317056479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105685496.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 317056479 is about 17806.0798324617. The cubic root of 317056479 is about 681.8866859380.

The spelling of 317056479 in words is "three hundred seventeen million, fifty-six thousand, four hundred seventy-nine".