3165325021 has 8 divisors (see below), whose sum is σ = 3303826560. Its totient is φ = 3026896752.

The previous prime is 3165325003. The next prime is 3165325087. The reversal of 3165325021 is 1205235613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3165325021 - 2¹⁵ = 3165292253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3165325721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81640 + ... + 113998.

It is an arithmetic number, because the mean of its divisors is an integer number (412978320).

Almost surely, 2^3165325021 is an apocalyptic number.

It is an amenable number.

3165325021 is a deficient number, since it is larger than the sum of its proper divisors (138501539).

3165325021 is a wasteful number, since it uses less digits than its factorization.

3165325021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36635.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 3165325021 is about 56261.2212896236. The cubic root of 3165325021 is about 1468.2706027858.

The spelling of 3165325021 in words is "three billion, one hundred sixty-five million, three hundred twenty-five thousand, twenty-one".