3125625 has 20 divisors (see below), whose sum is σ = 5210832. Its totient is φ = 1666000.

The previous prime is 3125611. The next prime is 3125651. The reversal of 3125625 is 5265213.

It is not a de Polignac number, because 3125625 - 2⁵ = 3125593 is a prime.

3125625 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3125595 and 3125604.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1042 + ... + 2708.

Almost surely, 2^3125625 is an apocalyptic number.

It is an amenable number.

3125625 is a deficient number, since it is larger than the sum of its proper divisors (2085207).

3125625 is an equidigital number, since it uses as much as digits as its factorization.

3125625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690 (or 1675 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 3125625 is about 1767.9437208237. The cubic root of 3125625 is about 146.2106329867.

It can be divided in two parts, 3125 and 625, that multiplied together give a 9-th power (1953125 = 5⁹).

The spelling of 3125625 in words is "three million, one hundred twenty-five thousand, six hundred twenty-five".