3265620615 has 48 divisors (see below), whose sum is σ = 5929979328. Its totient is φ = 1659322368.

The previous prime is 3265620601. The next prime is 3265620619. The reversal of 3265620615 is 5160265623.

It is a happy number.

3265620615 is a `hidden beast` number, since 3 + 26 + 5 + 620 + 6 + 1 + 5 = 666.

It is not a de Polignac number, because 3265620615 - 2⁸ = 3265620359 is a prime.

It is a super-2 number, since 2×3265620615² = 21328556002225956450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3265620615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3265620619) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259857 + ... + 272133.

It is an arithmetic number, because the mean of its divisors is an integer number (123541236).

Almost surely, 2^3265620615 is an apocalyptic number.

3265620615 is a deficient number, since it is larger than the sum of its proper divisors (2664358713).

3265620615 is a wasteful number, since it uses less digits than its factorization.

3265620615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12568 (or 12565 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 3265620615 is about 57145.6088864228. The cubic root of 3265620615 is about 1483.6173710446.

The spelling of 3265620615 in words is "three billion, two hundred sixty-five million, six hundred twenty thousand, six hundred fifteen".