28850625 has 60 divisors (see below), whose sum is σ = 54582528. Its totient is φ = 14652000.

The previous prime is 28850623. The next prime is 28850681. The reversal of 28850625 is 52605882.

28850625 is a `hidden beast` number, since 28 + 8 + 5 + 0 + 625 = 666.

It is not a de Polignac number, because 28850625 - 2¹ = 28850623 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28850625.

It is not an unprimeable number, because it can be changed into a prime (28850623) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 129264 + ... + 129486.

Almost surely, 2^28850625 is an apocalyptic number.

28850625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28850625 is a deficient number, since it is larger than the sum of its proper divisors (25731903).

28850625 is a wasteful number, since it uses less digits than its factorization.

28850625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 28850625 is about 5371.2777809382. The cubic root of 28850625 is about 306.7032715967.

The spelling of 28850625 in words is "twenty-eight million, eight hundred fifty thousand, six hundred twenty-five".