313125625 has 10 divisors (see below), whose sum is σ = 391282562. Its totient is φ = 250500000.

The previous prime is 313125623. The next prime is 313125641. The reversal of 313125625 is 526521313.

It can be written as a sum of positive squares in 5 ways, for example, as 240467049 + 72658576 = 15507^2 + 8524^2 .

It is not a de Polignac number, because 313125625 - 2¹ = 313125623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313125593 and 313125602.

It is not an unprimeable number, because it can be changed into a prime (313125623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 249876 + ... + 251125.

Almost surely, 2^313125625 is an apocalyptic number.

It is an amenable number.

313125625 is a deficient number, since it is larger than the sum of its proper divisors (78156937).

313125625 is an frugal number, since it uses more digits than its factorization.

313125625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501021 (or 501006 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 313125625 is about 17695.3560291959. The cubic root of 313125625 is about 679.0569576180.

Adding to 313125625 its reverse (526521313), we get a palindrome (839646938).

The spelling of 313125625 in words is "three hundred thirteen million, one hundred twenty-five thousand, six hundred twenty-five".