25669056 has 112 divisors (see below), whose sum is σ = 79004160. Its totient is φ = 7203840.

The previous prime is 25669001. The next prime is 25669073. The reversal of 25669056 is 65096652.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×25669056² = 1317800871862272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95290 + ... + 95558.

Almost surely, 2^25669056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25669056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39502080).

25669056 is an abundant number, since it is smaller than the sum of its proper divisors (53335104).

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

25669056 is a wasteful number, since it uses less digits than its factorization.

25669056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 25669056 is about 5066.4638555900. The cubic root of 25669056 is about 294.9872866301.

The spelling of 25669056 in words is "twenty-five million, six hundred sixty-nine thousand, fifty-six".