25423928 has 16 divisors (see below), whose sum is σ = 47726280. Its totient is φ = 12696928.

The previous prime is 25423927. The next prime is 25423933. The reversal of 25423928 is 82932452.

It is a super-3 number, since 3×25423928³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25423927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9026 + ... + 11502.

Almost surely, 2^25423928 is an apocalyptic number.

It is an amenable number.

25423928 is a deficient number, since it is larger than the sum of its proper divisors (22302352).

25423928 is a wasteful number, since it uses less digits than its factorization.

25423928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766 (or 3762 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 25423928 is about 5042.2145928153. The cubic root of 25423928 is about 294.0452827963.

The spelling of 25423928 in words is "twenty-five million, four hundred twenty-three thousand, nine hundred twenty-eight".