317261245 has 16 divisors (see below), whose sum is σ = 438238080. Its totient is φ = 215982144.

The previous prime is 317261213. The next prime is 317261249. The reversal of 317261245 is 542162713.

It is not a de Polignac number, because 317261245 - 2⁵ = 317261213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317261249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27742 + ... + 37471.

It is an arithmetic number, because the mean of its divisors is an integer number (27389880).

Almost surely, 2^317261245 is an apocalyptic number.

317261245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

317261245 is a deficient number, since it is larger than the sum of its proper divisors (120976835).

317261245 is a wasteful number, since it uses less digits than its factorization.

317261245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65364.

The product of its digits is 10080, while the sum is 31.

The square root of 317261245 is about 17811.8287943715. The cubic root of 317261245 is about 682.0334496541.

The spelling of 317261245 in words is "three hundred seventeen million, two hundred sixty-one thousand, two hundred forty-five".