317012485 has 24 divisors (see below), whose sum is σ = 404709480. Its totient is φ = 238097664.

The previous prime is 317012477. The next prime is 317012489. The reversal of 317012485 is 584210713.

It can be written as a sum of positive squares in 12 ways, for example, as 7745089 + 309267396 = 2783^2 + 17586^2 .

It is not a de Polignac number, because 317012485 - 2³ = 317012477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317012489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197707 + ... + 199303.

It is an arithmetic number, because the mean of its divisors is an integer number (16862895).

Almost surely, 2^317012485 is an apocalyptic number.

It is an amenable number.

317012485 is a deficient number, since it is larger than the sum of its proper divisors (87696995).

317012485 is a wasteful number, since it uses less digits than its factorization.

317012485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 317012485 is about 17804.8444250434. The cubic root of 317012485 is about 681.8551454896.

The spelling of 317012485 in words is "three hundred seventeen million, twelve thousand, four hundred eighty-five".