99590025 has 48 divisors (see below), whose sum is σ = 170614080. Its totient is φ = 51225600.

The previous prime is 99589993. The next prime is 99590033. The reversal of 99590025 is 52009599.

It is not a de Polignac number, because 99590025 - 2⁵ = 99589993 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 427309 + ... + 427541.

It is an arithmetic number, because the mean of its divisors is an integer number (3554460).

Almost surely, 2^99590025 is an apocalyptic number.

It is an amenable number.

99590025 is a deficient number, since it is larger than the sum of its proper divisors (71024055).

99590025 is a wasteful number, since it uses less digits than its factorization.

99590025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 39.

The square root of 99590025 is about 9979.4801968840. The cubic root of 99590025 is about 463.5237027476.

The spelling of 99590025 in words is "ninety-nine million, five hundred ninety thousand, twenty-five".