28082825 has 12 divisors (see below), whose sum is σ = 34945680. Its totient is φ = 22386960.

The previous prime is 28082809. The next prime is 28082833. The reversal of 28082825 is 52828082.

It is not a de Polignac number, because 28082825 - 2⁴ = 28082809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5846 + ... + 9504.

It is an arithmetic number, because the mean of its divisors is an integer number (2912140).

Almost surely, 2^28082825 is an apocalyptic number.

28082825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28082825 is a deficient number, since it is larger than the sum of its proper divisors (6862855).

28082825 is a wasteful number, since it uses less digits than its factorization.

28082825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976 (or 3971 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 28082825 is about 5299.3230699779. The cubic root of 28082825 is about 303.9580137363.

The spelling of 28082825 in words is "twenty-eight million, eighty-two thousand, eight hundred twenty-five".