313725 has 24 divisors (see below), whose sum is σ = 535680. Its totient is φ = 161920.

The previous prime is 313721. The next prime is 313727. The reversal of 313725 is 527313.

It is a happy number.

It is not a de Polignac number, because 313725 - 2² = 313721 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 313725.

It is not an unprimeable number, because it can be changed into a prime (313721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3481 + ... + 3569.

It is an arithmetic number, because the mean of its divisors is an integer number (22320).

2³¹³⁷²⁵ is an apocalyptic number.

It is an amenable number.

313725 is a deficient number, since it is larger than the sum of its proper divisors (221955).

313725 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 313725 = (527313)₉.

313725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 144 counting only the distinct ones).

The product of its digits is 630, while the sum is 21.

The square root of 313725 is about 560.1115960235. Note that the first 3 decimals coincide. The cubic root of 313725 is about 67.9489957786.

The spelling of 313725 in words is "three hundred thirteen thousand, seven hundred twenty-five".