317965 has 8 divisors (see below), whose sum is σ = 401760. Its totient is φ = 240912.

The previous prime is 317963. The next prime is 317969. The reversal of 317965 is 569713.

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 317965 - 2¹ = 317963 is a prime.

It is a super-2 number, since 2×317965² = 202203482450, which contains 22 as substring.

317965 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317963) 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, 1579 + ... + 1768.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2³¹⁷⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

317965 is a deficient number, since it is larger than the sum of its proper divisors (83795).

317965 is a wasteful number, since it uses less digits than its factorization.

317965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371.

The product of its digits is 5670, while the sum is 31.

The square root of 317965 is about 563.8838532890. The cubic root of 317965 is about 68.2537377139.

The spelling of 317965 in words is "three hundred seventeen thousand, nine hundred sixty-five".