317479 has 4 divisors (see below), whose sum is σ = 322920. Its totient is φ = 312040.

The previous prime is 317459. The next prime is 317483. The reversal of 317479 is 974713.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 317479 - 2⁷ = 317351 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 317479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2632 + ... + 2749.

It is an arithmetic number, because the mean of its divisors is an integer number (80730).

2³¹⁷⁴⁷⁹ is an apocalyptic number.

317479 is a deficient number, since it is larger than the sum of its proper divisors (5441).

317479 is an equidigital number, since it uses as much as digits as its factorization.

317479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5440.

The product of its digits is 5292, while the sum is 31.

The square root of 317479 is about 563.4527486844. The cubic root of 317479 is about 68.2189453821.

The spelling of 317479 in words is "three hundred seventeen thousand, four hundred seventy-nine".