317513245 has 16 divisors (see below), whose sum is σ = 440962560. Its totient is φ = 214965504.

The previous prime is 317513227. The next prime is 317513249. The reversal of 317513245 is 542315713.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 317513245 - 2⁵ = 317513213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317513249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54652 + ... + 60181.

It is an arithmetic number, because the mean of its divisors is an integer number (27560160).

Almost surely, 2^317513245 is an apocalyptic number.

317513245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

317513245 is a deficient number, since it is larger than the sum of its proper divisors (123449315).

317513245 is a wasteful number, since it uses less digits than its factorization.

317513245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114924.

The product of its digits is 12600, while the sum is 31.

The square root of 317513245 is about 17818.9013409918. The cubic root of 317513245 is about 682.2139811520.

Adding to 317513245 its reverse (542315713), we get a palindrome (859828958).

The spelling of 317513245 in words is "three hundred seventeen million, five hundred thirteen thousand, two hundred forty-five".