28325050 has 24 divisors (see below), whose sum is σ = 56738556. Its totient is φ = 10458240.

The previous prime is 28325027. The next prime is 28325053. The reversal of 28325050 is 5052382.

It can be written as a sum of positive squares in 6 ways, for example, as 2792241 + 25532809 = 1671^2 + 5053^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (28325053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21139 + ... + 22438.

Almost surely, 2^28325050 is an apocalyptic number.

28325050 is an abundant number, since it is smaller than the sum of its proper divisors (28413506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28325050 is a wasteful number, since it uses less digits than its factorization.

28325050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43602 (or 43597 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 28325050 is about 5322.1283336650. The cubic root of 28325050 is about 304.8294307411.

The spelling of 28325050 in words is "twenty-eight million, three hundred twenty-five thousand, fifty".