3665125256 has 32 divisors (see below), whose sum is σ = 7722509760. Its totient is φ = 1618047552.

The previous prime is 3665125237. The next prime is 3665125267. The reversal of 3665125256 is 6525215663.

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, 763730 + ... + 768513.

It is an arithmetic number, because the mean of its divisors is an integer number (241328430).

Almost surely, 2^3665125256 is an apocalyptic number.

It is an amenable number.

3665125256 is an abundant number, since it is smaller than the sum of its proper divisors (4057384504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3665125256 is a wasteful number, since it uses less digits than its factorization.

3665125256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532285 (or 1532281 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

The square root of 3665125256 is about 60540.2779643437. The cubic root of 3665125256 is about 1541.8055586551.

The spelling of 3665125256 in words is "three billion, six hundred sixty-five million, one hundred twenty-five thousand, two hundred fifty-six".