25478928 has 40 divisors (see below), whose sum is σ = 73135200. Its totient is φ = 8492832.

The previous prime is 25478927. The next prime is 25478933. The reversal of 25478928 is 82987452.

25478928 is a `hidden beast` number, since 2 + 547 + 89 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (25478927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29058 + ... + 29921.

It is an arithmetic number, because the mean of its divisors is an integer number (1828380).

Almost surely, 2^25478928 is an apocalyptic number.

It is an amenable number.

25478928 is an abundant number, since it is smaller than the sum of its proper divisors (47656272).

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

25478928 is a wasteful number, since it uses less digits than its factorization.

25478928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58996 (or 58984 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 25478928 is about 5047.6655990666. The cubic root of 25478928 is about 294.2571677376.

The spelling of 25478928 in words is "twenty-five million, four hundred seventy-eight thousand, nine hundred twenty-eight".