317901 has 4 divisors (see below), whose sum is σ = 423872. Its totient is φ = 211932.

The previous prime is 317887. The next prime is 317903. The reversal of 317901 is 109713.

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, and also an emirpimes, since its reverse is a distinct semiprime: 109713 = 3 ⋅36571.

It is not a de Polignac number, because 317901 - 2⁷ = 317773 is a prime.

It is a super-2 number, since 2×317901² = 202122091602, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317901.

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, 52981 + ... + 52986.

It is an arithmetic number, because the mean of its divisors is an integer number (105968).

2³¹⁷⁹⁰¹ is an apocalyptic number.

It is an amenable number.

317901 is a deficient number, since it is larger than the sum of its proper divisors (105971).

317901 is a wasteful number, since it uses less digits than its factorization.

317901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105970.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 317901 is about 563.8271011578. The cubic root of 317901 is about 68.2491580355.

The spelling of 317901 in words is "three hundred seventeen thousand, nine hundred one".