28245252 has 24 divisors (see below), whose sum is σ = 75320896. Its totient is φ = 8070048.

The previous prime is 28245251. The next prime is 28245253. The reversal of 28245252 is 25254282.

It is an interprime number because it is at equal distance from previous prime (28245251) and next prime (28245253).

It is not an unprimeable number, because it can be changed into a prime (28245251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168043 + ... + 168210.

Almost surely, 2^28245252 is an apocalyptic number.

It is an amenable number.

28245252 is an abundant number, since it is smaller than the sum of its proper divisors (47075644).

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

28245252 is a wasteful number, since it uses less digits than its factorization.

28245252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336267 (or 336265 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 28245252 is about 5314.6262333301. The cubic root of 28245252 is about 304.5429039446.

The spelling of 28245252 in words is "twenty-eight million, two hundred forty-five thousand, two hundred fifty-two".