3225135656 has 16 divisors (see below), whose sum is σ = 6056399700. Its totient is φ = 1610095744.

The previous prime is 3225135643. The next prime is 3225135679. The reversal of 3225135656 is 6565315223.

It can be written as a sum of positive squares in 2 ways, for example, as 2795236900 + 429898756 = 52870^2 + 20734^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303461 + ... + 313908.

Almost surely, 2^3225135656 is an apocalyptic number.

It is an amenable number.

3225135656 is a deficient number, since it is larger than the sum of its proper divisors (2831264044).

3225135656 is a wasteful number, since it uses less digits than its factorization.

3225135656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618028 (or 618024 counting only the distinct ones).

The product of its digits is 162000, while the sum is 38.

The square root of 3225135656 is about 56790.2778299244. The cubic root of 3225135656 is about 1477.4608971722.

The spelling of 3225135656 in words is "three billion, two hundred twenty-five million, one hundred thirty-five thousand, six hundred fifty-six".