28082565 has 32 divisors (see below), whose sum is σ = 57058560. Its totient is φ = 12837312.

The previous prime is 28082557. The next prime is 28082573. The reversal of 28082565 is 56528082.

It is an interprime number because it is at equal distance from previous prime (28082557) and next prime (28082573).

It is not a de Polignac number, because 28082565 - 2³ = 28082557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13914 + ... + 15803.

It is an arithmetic number, because the mean of its divisors is an integer number (1783080).

Almost surely, 2^28082565 is an apocalyptic number.

It is an amenable number.

28082565 is an abundant number, since it is smaller than the sum of its proper divisors (28975995).

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

28082565 is a wasteful number, since it uses less digits than its factorization.

28082565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29738 (or 29732 counting only the distinct ones).

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

The square root of 28082565 is about 5299.2985384860. The cubic root of 28082565 is about 303.9570756857.

The spelling of 28082565 in words is "twenty-eight million, eighty-two thousand, five hundred sixty-five".