317393 has 4 divisors (see below), whose sum is σ = 318528. Its totient is φ = 316260.

The previous prime is 317371. The next prime is 317399. The reversal of 317393 is 393713.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 317393 - 2¹² = 313297 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 317393.

It is not an unprimeable number, because it can be changed into a prime (317399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188 + ... + 818.

It is an arithmetic number, because the mean of its divisors is an integer number (79632).

2³¹⁷³⁹³ is an apocalyptic number.

It is an amenable number.

317393 is a deficient number, since it is larger than the sum of its proper divisors (1135).

317393 is an equidigital number, since it uses as much as digits as its factorization.

317393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134.

The product of its digits is 1701, while the sum is 26.

The square root of 317393 is about 563.3764283319. The cubic root of 317393 is about 68.2127850175.

The spelling of 317393 in words is "three hundred seventeen thousand, three hundred ninety-three".