28802325 has 48 divisors (see below), whose sum is σ = 50711040. Its totient is φ = 14393280.

The previous prime is 28802321. The next prime is 28802327. The reversal of 28802325 is 52320882.

It is not a de Polignac number, because 28802325 - 2² = 28802321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28802292 and 28802301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28802321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101634 + ... + 101916.

It is an arithmetic number, because the mean of its divisors is an integer number (1056480).

Almost surely, 2^28802325 is an apocalyptic number.

28802325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28802325 is a deficient number, since it is larger than the sum of its proper divisors (21908715).

28802325 is a wasteful number, since it uses less digits than its factorization.

28802325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 28802325 is about 5366.7797607131. The cubic root of 28802325 is about 306.5320212051.

The spelling of 28802325 in words is "twenty-eight million, eight hundred two thousand, three hundred twenty-five".