317255 has 8 divisors (see below), whose sum is σ = 384912. Its totient is φ = 251008.

The previous prime is 317227. The next prime is 317257. The reversal of 317255 is 552713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317255 is a prime.

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 317255.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317255.

It is not an unprimeable number, because it can be changed into a prime (317257) 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 7 ways as a sum of consecutive naturals, for example, 239 + ... + 831.

It is an arithmetic number, because the mean of its divisors is an integer number (48114).

2³¹⁷²⁵⁵ is an apocalyptic number.

317255 is a deficient number, since it is larger than the sum of its proper divisors (67657).

317255 is a wasteful number, since it uses less digits than its factorization.

317255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705.

The product of its digits is 1050, while the sum is 23.

The square root of 317255 is about 563.2539391784. The cubic root of 317255 is about 68.2028974555.

Adding to 317255 its reverse (552713), we get a palindrome (869968).

The spelling of 317255 in words is "three hundred seventeen thousand, two hundred fifty-five".