25383428 has 24 divisors (see below), whose sum is σ = 52007424. Its totient is φ = 10612800.

The previous prime is 25383403. The next prime is 25383433. The reversal of 25383428 is 82438352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9908 + ... + 12203.

It is an arithmetic number, because the mean of its divisors is an integer number (2166976).

Almost surely, 2^25383428 is an apocalyptic number.

25383428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25383428 is an abundant number, since it is smaller than the sum of its proper divisors (26623996).

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

25383428 is a wasteful number, since it uses less digits than its factorization.

25383428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22163 (or 22161 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 25383428 is about 5038.1968996854. The cubic root of 25383428 is about 293.8890629929.

The spelling of 25383428 in words is "twenty-five million, three hundred eighty-three thousand, four hundred twenty-eight".