4025136 has 20 divisors (see below), whose sum is σ = 10398392. Its totient is φ = 1341696.

The previous prime is 4025111. The next prime is 4025167. The reversal of 4025136 is 6315204.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41881 + ... + 41976.

Almost surely, 2^4025136 is an apocalyptic number.

It is an amenable number.

4025136 is an abundant number, since it is smaller than the sum of its proper divisors (6373256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4025136 is a wasteful number, since it uses less digits than its factorization.

4025136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83868 (or 83862 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4025136 is about 2006.2741587330. The cubic root of 4025136 is about 159.0719187326.

The spelling of 4025136 in words is "four million, twenty-five thousand, one hundred thirty-six".