28800425 has 24 divisors (see below), whose sum is σ = 36950016. Its totient is φ = 22256640.

The previous prime is 28800413. The next prime is 28800461. The reversal of 28800425 is 52400882.

It is not a de Polignac number, because 28800425 - 2⁶ = 28800361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149129 + ... + 149321.

It is an arithmetic number, because the mean of its divisors is an integer number (1539584).

Almost surely, 2^28800425 is an apocalyptic number.

28800425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28800425 is a deficient number, since it is larger than the sum of its proper divisors (8149591).

28800425 is a wasteful number, since it uses less digits than its factorization.

28800425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 28800425 is about 5366.6027428905. The cubic root of 28800425 is about 306.5252807348.

The spelling of 28800425 in words is "twenty-eight million, eight hundred thousand, four hundred twenty-five".