3125813325 has 24 divisors (see below), whose sum is σ = 5180397600. Its totient is φ = 1663104960.

The previous prime is 3125813311. The next prime is 3125813351. The reversal of 3125813325 is 5233185213.

It is not a de Polignac number, because 3125813325 - 2⁵ = 3125813293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18310 + ... + 81159.

It is an arithmetic number, because the mean of its divisors is an integer number (215849900).

Almost surely, 2^3125813325 is an apocalyptic number.

It is an amenable number.

3125813325 is a deficient number, since it is larger than the sum of its proper divisors (2054584275).

3125813325 is a wasteful number, since it uses less digits than its factorization.

3125813325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99901 (or 99896 counting only the distinct ones).

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

The square root of 3125813325 is about 55908.9735641784. The cubic root of 3125813325 is about 1462.1356941965.

Adding to 3125813325 its reverse (5233185213), we get a palindrome (8358998538).

The spelling of 3125813325 in words is "three billion, one hundred twenty-five million, eight hundred thirteen thousand, three hundred twenty-five".