313506825 has 24 divisors (see below), whose sum is σ = 527124000. Its totient is φ = 164367360.

The previous prime is 313506811. The next prime is 313506829. The reversal of 313506825 is 528605313.

It is not a de Polignac number, because 313506825 - 2⁶ = 313506761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313506829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31000 + ... + 39849.

It is an arithmetic number, because the mean of its divisors is an integer number (21963500).

Almost surely, 2^313506825 is an apocalyptic number.

It is an amenable number.

313506825 is a deficient number, since it is larger than the sum of its proper divisors (213617175).

313506825 is a wasteful number, since it uses less digits than its factorization.

313506825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70921 (or 70916 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 313506825 is about 17706.1239406031. The cubic root of 313506825 is about 679.3324078083.

The spelling of 313506825 in words is "three hundred thirteen million, five hundred six thousand, eight hundred twenty-five".