25648832 has 28 divisors (see below), whose sum is σ = 55525416. Its totient is φ = 11658240.

The previous prime is 25648781. The next prime is 25648867. The reversal of 25648832 is 23884652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17513 + ... + 18920.

Almost surely, 2^25648832 is an apocalyptic number.

25648832 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25648832 is an abundant number, since it is smaller than the sum of its proper divisors (29876584).

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

25648832 is a wasteful number, since it uses less digits than its factorization.

25648832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36456 (or 36446 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 25648832 is about 5064.4675929460. The cubic root of 25648832 is about 294.9097952680.

The spelling of 25648832 in words is "twenty-five million, six hundred forty-eight thousand, eight hundred thirty-two".