313421925 has 12 divisors (see below), whose sum is σ = 518191040. Its totient is φ = 167158320.

The previous prime is 313421921. The next prime is 313421951. The reversal of 313421925 is 529124313.

It is not a de Polignac number, because 313421925 - 2² = 313421921 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 313421892 and 313421901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313421921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2089405 + ... + 2089554.

Almost surely, 2^313421925 is an apocalyptic number.

It is an amenable number.

313421925 is a deficient number, since it is larger than the sum of its proper divisors (204769115).

313421925 is a wasteful number, since it uses less digits than its factorization.

313421925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178972 (or 4178967 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 313421925 is about 17703.7263026742. The cubic root of 313421925 is about 679.2710795012.

The spelling of 313421925 in words is "three hundred thirteen million, four hundred twenty-one thousand, nine hundred twenty-five".