3212665625 has 48 divisors (see below), whose sum is σ = 4465714176. Its totient is φ = 2295000000.

The previous prime is 3212665613. The next prime is 3212665633. The reversal of 3212665625 is 5265662123.

It is a de Polignac number, because none of the positive numbers 2^k-3212665625 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1258100 + ... + 1260650.

It is an arithmetic number, because the mean of its divisors is an integer number (93035712).

Almost surely, 2^3212665625 is an apocalyptic number.

It is an amenable number.

3212665625 is a deficient number, since it is larger than the sum of its proper divisors (1253048551).

3212665625 is an equidigital number, since it uses as much as digits as its factorization.

3212665625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620 (or 2600 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 3212665625 is about 56680.3813060569. The cubic root of 3212665625 is about 1475.5542301022.

The spelling of 3212665625 in words is "three billion, two hundred twelve million, six hundred sixty-five thousand, six hundred twenty-five".