3256136625 has 64 divisors (see below), whose sum is σ = 6206952960. Its totient is φ = 1484985600.

The previous prime is 3256136621. The next prime is 3256136651. The reversal of 3256136625 is 5266316523.

It is not a de Polignac number, because 3256136625 - 2² = 3256136621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3256136621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1334907 + ... + 1337343.

It is an arithmetic number, because the mean of its divisors is an integer number (96983640).

Almost surely, 2^3256136625 is an apocalyptic number.

3256136625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3256136625 is a deficient number, since it is larger than the sum of its proper divisors (2950816335).

3256136625 is a wasteful number, since it uses less digits than its factorization.

3256136625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971 (or 2961 counting only the distinct ones).

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

The square root of 3256136625 is about 57062.5676341330. The cubic root of 3256136625 is about 1482.1797417498.

The spelling of 3256136625 in words is "three billion, two hundred fifty-six million, one hundred thirty-six thousand, six hundred twenty-five".