3261653625 has 32 divisors (see below), whose sum is σ = 5435389440. Its totient is φ = 1736985600.

The previous prime is 3261653617. The next prime is 3261653627. The reversal of 3261653625 is 5263561623.

It is not a de Polignac number, because 3261653625 - 2³ = 3261653617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3261653627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263577 + ... + 275673.

It is an arithmetic number, because the mean of its divisors is an integer number (169855920).

Almost surely, 2^3261653625 is an apocalyptic number.

It is an amenable number.

3261653625 is a deficient number, since it is larger than the sum of its proper divisors (2173735815).

3261653625 is a wasteful number, since it uses less digits than its factorization.

3261653625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12834 (or 12824 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

The square root of 3261653625 is about 57110.8888479246. Note that the first 4 decimals coincide. The cubic root of 3261653625 is about 1483.0163745051.

The spelling of 3261653625 in words is "three billion, two hundred sixty-one million, six hundred fifty-three thousand, six hundred twenty-five".