25788528 has 120 divisors (see below), whose sum is σ = 76602240. Its totient is φ = 8087040.

The previous prime is 25788527. The next prime is 25788533. The reversal of 25788528 is 82588752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25788527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236538 + ... + 236646.

It is an arithmetic number, because the mean of its divisors is an integer number (638352).

Almost surely, 2^25788528 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 25788528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38301120).

25788528 is an abundant number, since it is smaller than the sum of its proper divisors (50813712).

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

25788528 is a wasteful number, since it uses less digits than its factorization.

25788528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 198 counting only the distinct ones).

The product of its digits is 358400, while the sum is 45.

The square root of 25788528 is about 5078.2406402218. The cubic root of 25788528 is about 295.4442335092. Note that the first 3 decimals are identical.

The spelling of 25788528 in words is "twenty-five million, seven hundred eighty-eight thousand, five hundred twenty-eight".