317025247 has 12 divisors (see below), whose sum is σ = 402311016. Its totient is φ = 247032240.

The previous prime is 317025239. The next prime is 317025253. The reversal of 317025247 is 742520713.

It is not a de Polignac number, because 317025247 - 2³ = 317025239 is a prime.

It is a super-2 number, since 2×317025247² = 201010014470822018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317025227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293548 + ... + 294625.

It is an arithmetic number, because the mean of its divisors is an integer number (33525918).

Almost surely, 2^317025247 is an apocalyptic number.

317025247 is a deficient number, since it is larger than the sum of its proper divisors (85285769).

317025247 is a wasteful number, since it uses less digits than its factorization.

317025247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588198 (or 588191 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 317025247 is about 17805.2028070449. The cubic root of 317025247 is about 681.8642952014.

The spelling of 317025247 in words is "three hundred seventeen million, twenty-five thousand, two hundred forty-seven".