25943232 has 112 divisors (see below), whose sum is σ = 79654400. Its totient is φ = 7299072.

The previous prime is 25943219. The next prime is 25943237. The reversal of 25943232 is 23234952.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25943232.

It is not an unprimeable number, because it can be changed into a prime (25943237) 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, 130269 + ... + 130467.

It is an arithmetic number, because the mean of its divisors is an integer number (711200).

Almost surely, 2^25943232 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 25943232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39827200).

25943232 is an abundant number, since it is smaller than the sum of its proper divisors (53711168).

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

25943232 is a wasteful number, since it uses less digits than its factorization.

25943232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 308 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 25943232 is about 5093.4499114058. The cubic root of 25943232 is about 296.0338407864.

The spelling of 25943232 in words is "twenty-five million, nine hundred forty-three thousand, two hundred thirty-two".