317513 has 8 divisors (see below), whose sum is σ = 368832. Its totient is φ = 267696.

The previous prime is 317503. The next prime is 317539. The reversal of 317513 is 315713.

It is a happy number.

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 317513 - 2⁸ = 317257 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317513.

It is not an unprimeable number, because it can be changed into a prime (317503) 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, 131 + ... + 807.

It is an arithmetic number, because the mean of its divisors is an integer number (46104).

2³¹⁷⁵¹³ is an apocalyptic number.

It is an amenable number.

317513 is a deficient number, since it is larger than the sum of its proper divisors (51319).

317513 is an equidigital number, since it uses as much as digits as its factorization.

317513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751.

The product of its digits is 315, while the sum is 20.

The square root of 317513 is about 563.4829189958. The cubic root of 317513 is about 68.2213805682.

It can be divided in two parts, 31 and 7513, that multiplied together give a triangular number (232903 = T₆₈₂).

The spelling of 317513 in words is "three hundred seventeen thousand, five hundred thirteen".