25423904 has 24 divisors (see below), whose sum is σ = 54604368. Its totient is φ = 11556160.

The previous prime is 25423897. The next prime is 25423927. The reversal of 25423904 is 40932452.

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, 35762 + ... + 36465.

It is an arithmetic number, because the mean of its divisors is an integer number (2275182).

Almost surely, 2^25423904 is an apocalyptic number.

It is an amenable number.

25423904 is an abundant number, since it is smaller than the sum of its proper divisors (29180464).

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

25423904 is a wasteful number, since it uses less digits than its factorization.

25423904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72248 (or 72240 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 25423904 is about 5042.2122129081. The cubic root of 25423904 is about 294.0451902707.

It can be divided in two parts, 2542 and 3904, that added together give a palindrome (6446).

The spelling of 25423904 in words is "twenty-five million, four hundred twenty-three thousand, nine hundred four".