25165056 has 144 divisors (see below), whose sum is σ = 79536128. Its totient is φ = 6912000.

The previous prime is 25165051. The next prime is 25165061. The reversal of 25165056 is 65056152.

It is an interprime number because it is at equal distance from previous prime (25165051) and next prime (25165061).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25165051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166581 + ... + 166731.

Almost surely, 2^25165056 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 25165056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39768064).

25165056 is an abundant number, since it is smaller than the sum of its proper divisors (54371072).

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

25165056 is a wasteful number, since it uses less digits than its factorization.

25165056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 25165056 is about 5016.4784460815. The cubic root of 25165056 is about 293.0438650367.

The spelling of 25165056 in words is "twenty-five million, one hundred sixty-five thousand, fifty-six".