25383128 has 16 divisors (see below), whose sum is σ = 47786760. Its totient is φ = 12640000.

The previous prime is 25383103. The next prime is 25383133. The reversal of 25383128 is 82138352.

It is a junction number, because it is equal to n+sod(n) for n = 25383094 and 25383103.

It is a congruent number.

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, 4313 + ... + 8328.

Almost surely, 2^25383128 is an apocalyptic number.

It is an amenable number.

25383128 is a deficient number, since it is larger than the sum of its proper divisors (22403632).

25383128 is a wasteful number, since it uses less digits than its factorization.

25383128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12898 (or 12894 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 25383128 is about 5038.1671270413. The cubic root of 25383128 is about 293.8879051894.

The spelling of 25383128 in words is "twenty-five million, three hundred eighty-three thousand, one hundred twenty-eight".