3156625 has 8 divisors (see below), whose sum is σ = 3939624. Its totient is φ = 2525200.

The previous prime is 3156619. The next prime is 3156649. The reversal of 3156625 is 5266513.

It can be written as a sum of positive squares in 4 ways, for example, as 16641 + 3139984 = 129^2 + 1772^2 .

It is not a de Polignac number, because 3156625 - 2⁹ = 3156113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3156593 and 3156602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12502 + ... + 12751.

It is an arithmetic number, because the mean of its divisors is an integer number (492453).

Almost surely, 2^3156625 is an apocalyptic number.

It is an amenable number.

3156625 is a deficient number, since it is larger than the sum of its proper divisors (782999).

3156625 is an equidigital number, since it uses as much as digits as its factorization.

3156625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25268 (or 25258 counting only the distinct ones).

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

The square root of 3156625 is about 1776.6893369410. The cubic root of 3156625 is about 146.6924168516.

The spelling of 3156625 in words is "three million, one hundred fifty-six thousand, six hundred twenty-five".