25028 has 6 divisors (see below), whose sum is σ = 43806. Its totient is φ = 12512.

The previous prime is 25013. The next prime is 25031. The reversal of 25028 is 82052.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24964 + 64 = 158^2 + 8^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24997 and 25015.

It is an unprimeable number.

25028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3125 + ... + 3132.

It is an arithmetic number, because the mean of its divisors is an integer number (7301).

2²⁵⁰²⁸ is an apocalyptic number.

It is an amenable number.

25028 is a deficient number, since it is larger than the sum of its proper divisors (18778).

25028 is a wasteful number, since it uses less digits than its factorization.

25028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6261 (or 6259 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 25028 is about 158.2024020045. The cubic root of 25028 is about 29.2510896421.

The spelling of 25028 in words is "twenty-five thousand, twenty-eight".