25582028 has 12 divisors (see below), whose sum is σ = 44812152. Its totient is φ = 12778560.

The previous prime is 25582019. The next prime is 25582043. The reversal of 25582028 is 82028552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25581985 and 25582003.

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, 2723 + ... + 7653.

It is an arithmetic number, because the mean of its divisors is an integer number (3734346).

Almost surely, 2^25582028 is an apocalyptic number.

It is an amenable number.

25582028 is a deficient number, since it is larger than the sum of its proper divisors (19230124).

25582028 is a wasteful number, since it uses less digits than its factorization.

25582028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232 (or 6230 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 25582028 is about 5057.8679302647. The cubic root of 25582028 is about 294.6535356060.

The spelling of 25582028 in words is "twenty-five million, five hundred eighty-two thousand, twenty-eight".