99285825 has 24 divisors (see below), whose sum is σ = 171292608. Its totient is φ = 50649280.

The previous prime is 99285803. The next prime is 99285827. The reversal of 99285825 is 52858299.

It is not a de Polignac number, because 99285825 - 2¹¹ = 99283777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99285827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27054 + ... + 30503.

It is an arithmetic number, because the mean of its divisors is an integer number (7137192).

Almost surely, 2^99285825 is an apocalyptic number.

It is an amenable number.

99285825 is a deficient number, since it is larger than the sum of its proper divisors (72006783).

99285825 is a wasteful number, since it uses less digits than its factorization.

99285825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57593 (or 57588 counting only the distinct ones).

The product of its digits is 518400, while the sum is 48.

The square root of 99285825 is about 9964.2272655736. The cubic root of 99285825 is about 463.0512735023.

It can be divided in two parts, 9928 and 5825, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 99285825 in words is "ninety-nine million, two hundred eighty-five thousand, eight hundred twenty-five".