317745085 has 32 divisors (see below), whose sum is σ = 451199232. Its totient is φ = 210263040.

The previous prime is 317745073. The next prime is 317745089. The reversal of 317745085 is 580547713.

It is not a de Polignac number, because 317745085 - 2⁵ = 317745053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317745089) 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 31 ways as a sum of consecutive naturals, for example, 168709 + ... + 170581.

It is an arithmetic number, because the mean of its divisors is an integer number (14099976).

Almost surely, 2^317745085 is an apocalyptic number.

317745085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

317745085 is a deficient number, since it is larger than the sum of its proper divisors (133454147).

317745085 is a wasteful number, since it uses less digits than its factorization.

317745085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 317745085 is about 17825.4056054834. The cubic root of 317745085 is about 682.3799857850.

The spelling of 317745085 in words is "three hundred seventeen million, seven hundred forty-five thousand, eighty-five".