25394128 has 20 divisors (see below), whose sum is σ = 49317280. Its totient is φ = 12667104.

The previous prime is 25394113. The next prime is 25394143. The reversal of 25394128 is 82149352.

It is an interprime number because it is at equal distance from previous prime (25394113) and next prime (25394143).

It is a junction number, because it is equal to n+sod(n) for n = 25394093 and 25394102.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6163 + ... + 9421.

It is an arithmetic number, because the mean of its divisors is an integer number (2465864).

Almost surely, 2^25394128 is an apocalyptic number.

It is an amenable number.

25394128 is a deficient number, since it is larger than the sum of its proper divisors (23923152).

25394128 is a wasteful number, since it uses less digits than its factorization.

25394128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3754 (or 3748 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 25394128 is about 5039.2586756387. The cubic root of 25394128 is about 293.9303520211.

The spelling of 25394128 in words is "twenty-five million, three hundred ninety-four thousand, one hundred twenty-eight".