4025656 has 8 divisors (see below), whose sum is σ = 7548120. Its totient is φ = 2012824.

The previous prime is 4025653. The next prime is 4025657. The reversal of 4025656 is 6565204.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025653) by changing a digit.

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 as a sum of consecutive naturals, namely, 251596 + ... + 251611.

It is an arithmetic number, because the mean of its divisors is an integer number (943515).

Almost surely, 2^4025656 is an apocalyptic number.

It is an amenable number.

4025656 is a deficient number, since it is larger than the sum of its proper divisors (3522464).

4025656 is a wasteful number, since it uses less digits than its factorization.

4025656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503213 (or 503209 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 4025656 is about 2006.4037480029. The cubic root of 4025656 is about 159.0787685083.

The spelling of 4025656 in words is "four million, twenty-five thousand, six hundred fifty-six".