317264845 has 4 divisors (see below), whose sum is σ = 380717820. Its totient is φ = 253811872.

The previous prime is 317264813. The next prime is 317264851. The reversal of 317264845 is 548462713.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111112681 + 206152164 = 10541^2 + 14358^2 .

It is a cyclic number.

It is not a de Polignac number, because 317264845 - 2⁵ = 317264813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 317264798 and 317264807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31726480 + ... + 31726489.

It is an arithmetic number, because the mean of its divisors is an integer number (95179455).

Almost surely, 2^317264845 is an apocalyptic number.

It is an amenable number.

317264845 is a deficient number, since it is larger than the sum of its proper divisors (63452975).

317264845 is an equidigital number, since it uses as much as digits as its factorization.

317264845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63452974.

The product of its digits is 161280, while the sum is 40.

The square root of 317264845 is about 17811.9298505243. The cubic root of 317264845 is about 682.0360293485.

The spelling of 317264845 in words is "three hundred seventeen million, two hundred sixty-four thousand, eight hundred forty-five".