3125647625 has 32 divisors (see below), whose sum is σ = 4198150944. Its totient is φ = 2314752000.

The previous prime is 3125647607. The next prime is 3125647639. The reversal of 3125647625 is 5267465213.

It can be written as a sum of positive squares in 16 ways, for example, as 2398158841 + 727488784 = 48971^2 + 26972^2 .

It is not a de Polignac number, because 3125647625 - 2¹⁴ = 3125631241 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117569 + ... + 141681.

It is an arithmetic number, because the mean of its divisors is an integer number (131192217).

Almost surely, 2^3125647625 is an apocalyptic number.

It is an amenable number.

3125647625 is a deficient number, since it is larger than the sum of its proper divisors (1072503319).

3125647625 is a wasteful number, since it uses less digits than its factorization.

3125647625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24206 (or 24196 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 3125647625 is about 55907.4916715104. The cubic root of 3125647625 is about 1462.1098577031.

The spelling of 3125647625 in words is "three billion, one hundred twenty-five million, six hundred forty-seven thousand, six hundred twenty-five".