313840925 has 6 divisors (see below), whose sum is σ = 389162778. Its totient is φ = 251072720.

The previous prime is 313840909. The next prime is 313840939. The reversal of 313840925 is 529048313.

It can be written as a sum of positive squares in 3 ways, for example, as 515524 + 313325401 = 718^2 + 17701^2 .

It is not a de Polignac number, because 313840925 - 2⁴ = 313840909 is a prime.

It is a super-2 number, since 2×313840925² = 196992252409711250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6276794 + ... + 6276843.

It is an arithmetic number, because the mean of its divisors is an integer number (64860463).

Almost surely, 2^313840925 is an apocalyptic number.

It is an amenable number.

313840925 is a deficient number, since it is larger than the sum of its proper divisors (75321853).

313840925 is a wasteful number, since it uses less digits than its factorization.

313840925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12553647 (or 12553642 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 313840925 is about 17715.5560172409. The cubic root of 313840925 is about 679.5736406009.

The spelling of 313840925 in words is "three hundred thirteen million, eight hundred forty thousand, nine hundred twenty-five".