99875025 has 120 divisors (see below), whose sum is σ = 200693504. Its totient is φ = 48988800.

The previous prime is 99875003. The next prime is 99875029. The reversal of 99875025 is 52057899.

It is a happy number.

It is not a de Polignac number, because 99875025 - 2¹² = 99870929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (99875029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2322654 + ... + 2322696.

Almost surely, 2^99875025 is an apocalyptic number.

It is an amenable number.

99875025 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

99875025 is a wasteful number, since it uses less digits than its factorization.

99875025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 99875025 is about 9993.7492964352. The cubic root of 99875025 is about 463.9654418996.

The spelling of 99875025 in words is "ninety-nine million, eight hundred seventy-five thousand, twenty-five".