317913 has 4 divisors (see below), whose sum is σ = 423888. Its totient is φ = 211940.

The previous prime is 317903. The next prime is 317921. The reversal of 317913 is 319713.

317913 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 317913 - 2¹⁷ = 186841 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (317903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52983 + ... + 52988.

It is an arithmetic number, because the mean of its divisors is an integer number (105972).

2³¹⁷⁹¹³ is an apocalyptic number.

It is an amenable number.

317913 is a deficient number, since it is larger than the sum of its proper divisors (105975).

317913 is a wasteful number, since it uses less digits than its factorization.

317913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105974.

The product of its digits is 567, while the sum is 24.

The square root of 317913 is about 563.8377426175. The cubic root of 317913 is about 68.2500167720.

The spelling of 317913 in words is "three hundred seventeen thousand, nine hundred thirteen".