317217 has 8 divisors (see below), whose sum is σ = 433440. Its totient is φ = 206240.

The previous prime is 317209. The next prime is 317227. The reversal of 317217 is 712713.

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 317217 - 2³ = 317209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 317193 and 317202.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317217.

It is not an unprimeable number, because it can be changed into a prime (317227) 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, 1167 + ... + 1412.

It is an arithmetic number, because the mean of its divisors is an integer number (54180).

2³¹⁷²¹⁷ is an apocalyptic number.

It is an amenable number.

317217 is a deficient number, since it is larger than the sum of its proper divisors (116223).

317217 is a wasteful number, since it uses less digits than its factorization.

317217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623.

The product of its digits is 294, while the sum is 21.

The square root of 317217 is about 563.2202056035. The cubic root of 317217 is about 68.2001742900.

The spelling of 317217 in words is "three hundred seventeen thousand, two hundred seventeen", and thus it is an iban number.