3152725 has 12 divisors (see below), whose sum is σ = 4080096. Its totient is φ = 2412080.

The previous prime is 3152719. The next prime is 3152749. The reversal of 3152725 is 5272513.

It is not a de Polignac number, because 3152725 - 2⁵ = 3152693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

3152725 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3152725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2167 + ... + 3316.

It is an arithmetic number, because the mean of its divisors is an integer number (340008).

Almost surely, 2^3152725 is an apocalyptic number.

It is an amenable number.

3152725 is a deficient number, since it is larger than the sum of its proper divisors (927371).

3152725 is a wasteful number, since it uses less digits than its factorization.

3152725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516 (or 5511 counting only the distinct ones).

The product of its digits is 2100, while the sum is 25.

The square root of 3152725 is about 1775.5914507566. The cubic root of 3152725 is about 146.6319792854.

Subtracting from 3152725 its product of digits (2100), we obtain a square (3150625 = 1775²).

The spelling of 3152725 in words is "three million, one hundred fifty-two thousand, seven hundred twenty-five".