25608428 has 24 divisors (see below), whose sum is σ = 47416320. Its totient is φ = 12067920.

The previous prime is 25608413. The next prime is 25608433. The reversal of 25608428 is 82480652.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16193 + ... + 17703.

It is an arithmetic number, because the mean of its divisors is an integer number (1975680).

Almost surely, 2^25608428 is an apocalyptic number.

It is an amenable number.

25608428 is a deficient number, since it is larger than the sum of its proper divisors (21807892).

25608428 is a wasteful number, since it uses less digits than its factorization.

25608428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757 (or 1755 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 25608428 is about 5060.4770526108. The cubic root of 25608428 is about 294.7548590691.

The spelling of 25608428 in words is "twenty-five million, six hundred eight thousand, four hundred twenty-eight".