317263 has 2 divisors, whose sum is σ = 317264. Its totient is φ = 317262.

The previous prime is 317257. The next prime is 317267. The reversal of 317263 is 362713.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 317263 - 2¹⁷ = 186191 is a prime.

It is a super-2 number, since 2×317263² = 201311622338, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317267) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158631 + 158632.

It is an arithmetic number, because the mean of its divisors is an integer number (158632).

2³¹⁷²⁶³ is an apocalyptic number.

317263 is a deficient number, since it is larger than the sum of its proper divisors (1).

317263 is an equidigital number, since it uses as much as digits as its factorization.

317263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 22.

The square root of 317263 is about 563.2610407262. The cubic root of 317263 is about 68.2034707258.

Adding to 317263 its reverse (362713), we get a palindrome (679976).

The spelling of 317263 in words is "three hundred seventeen thousand, two hundred sixty-three".