25528268 has 12 divisors (see below), whose sum is σ = 44756712. Its totient is φ = 12740640.

The previous prime is 25528259. The next prime is 25528301. The reversal of 25528268 is 86282552.

It is a happy 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, 3305 + ... + 7872.

It is an arithmetic number, because the mean of its divisors is an integer number (3729726).

Almost surely, 2^25528268 is an apocalyptic number.

It is an amenable number.

25528268 is a deficient number, since it is larger than the sum of its proper divisors (19228444).

25528268 is a wasteful number, since it uses less digits than its factorization.

25528268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11752 (or 11750 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 25528268 is about 5052.5506429921. The cubic root of 25528268 is about 294.4469884779.

The spelling of 25528268 in words is "twenty-five million, five hundred twenty-eight thousand, two hundred sixty-eight".