3115649925 has 144 divisors (see below), whose sum is σ = 6370752960. Its totient is φ = 1445713920.

The previous prime is 3115649923. The next prime is 3115649939. The reversal of 3115649925 is 5299465113.

3115649925 is a `hidden beast` number, since 3 + 1 + 156 + 499 + 2 + 5 = 666.

3115649925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3115649925 - 2¹ = 3115649923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115649923) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3124527 + ... + 3125523.

It is an arithmetic number, because the mean of its divisors is an integer number (44241340).

Almost surely, 2^3115649925 is an apocalyptic number.

It is an amenable number.

3115649925 is an abundant number, since it is smaller than the sum of its proper divisors (3255103035).

3115649925 is a wasteful number, since it uses less digits than its factorization.

3115649925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1084 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 3115649925 is about 55818.0071751043. The cubic root of 3115649925 is about 1460.5492905642.

It can be divided in two parts, 311564 and 9925, that added together give a square (321489 = 567²).

The spelling of 3115649925 in words is "three billion, one hundred fifteen million, six hundred forty-nine thousand, nine hundred twenty-five".