3120345825 has 12 divisors (see below), whose sum is σ = 5158971888. Its totient is φ = 1664184400.

The previous prime is 3120345817. The next prime is 3120345863. The reversal of 3120345825 is 5285430213.

It is not a de Polignac number, because 3120345825 - 2³ = 3120345817 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20802231 + ... + 20802380.

It is an arithmetic number, because the mean of its divisors is an integer number (429914324).

Almost surely, 2^3120345825 is an apocalyptic number.

It is an amenable number.

3120345825 is a deficient number, since it is larger than the sum of its proper divisors (2038626063).

3120345825 is a wasteful number, since it uses less digits than its factorization.

3120345825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41604624 (or 41604619 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 3120345825 is about 55860.0557196285. The cubic root of 3120345825 is about 1461.2827010039.

It can be divided in two parts, 31203 and 45825, that added together give a triangular number (77028 = T₃₉₂).

The spelling of 3120345825 in words is "three billion, one hundred twenty million, three hundred forty-five thousand, eight hundred twenty-five".