25512288 has 96 divisors (see below), whose sum is σ = 71850240. Its totient is φ = 7902720.

The previous prime is 25512283. The next prime is 25512301. The reversal of 25512288 is 88221552.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25512281) 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, 129406 + ... + 129602.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^25512288 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 25512288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35925120).

25512288 is an abundant number, since it is smaller than the sum of its proper divisors (46337952).

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

25512288 is a wasteful number, since it uses less digits than its factorization.

25512288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 292 counting only the distinct ones).

The product of its digits is 12800, while the sum is 33.

The square root of 25512288 is about 5050.9690159414. The cubic root of 25512288 is about 294.3855370573.

The spelling of 25512288 in words is "twenty-five million, five hundred twelve thousand, two hundred eighty-eight".