25523928 has 48 divisors (see below), whose sum is σ = 72137520. Its totient is φ = 8137536.

The previous prime is 25523921. The next prime is 25523929. The reversal of 25523928 is 82932552.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 25523892 and 25523901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25523921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6051 + ... + 9362.

It is an arithmetic number, because the mean of its divisors is an integer number (1502865).

Almost surely, 2^25523928 is an apocalyptic number.

It is an amenable number.

25523928 is an abundant number, since it is smaller than the sum of its proper divisors (46613592).

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

25523928 is a wasteful number, since it uses less digits than its factorization.

25523928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15448 (or 15441 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 25523928 is about 5052.1211386902. The cubic root of 25523928 is about 294.4303014554.

The spelling of 25523928 in words is "twenty-five million, five hundred twenty-three thousand, nine hundred twenty-eight".