317485 has 16 divisors (see below), whose sum is σ = 446976. Its totient is φ = 211968.

The previous prime is 317483. The next prime is 317489. The reversal of 317485 is 584713.

It is a cyclic number.

It is not a de Polignac number, because 317485 - 2¹ = 317483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1549 + ... + 1741.

It is an arithmetic number, because the mean of its divisors is an integer number (27936).

2³¹⁷⁴⁸⁵ is an apocalyptic number.

317485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

317485 is a deficient number, since it is larger than the sum of its proper divisors (129491).

317485 is a wasteful number, since it uses less digits than its factorization.

317485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its digits is 3360, while the sum is 28.

The square root of 317485 is about 563.4580729744. The cubic root of 317485 is about 68.2193751334.

The spelling of 317485 in words is "three hundred seventeen thousand, four hundred eighty-five".