99752025 has 24 divisors (see below), whose sum is σ = 170614080. Its totient is φ = 51365440.

The previous prime is 99752021. The next prime is 99752027. The reversal of 99752025 is 52025799.

It is not a de Polignac number, because 99752025 - 2² = 99752021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99752021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20757 + ... + 25106.

It is an arithmetic number, because the mean of its divisors is an integer number (7108920).

Almost surely, 2^99752025 is an apocalyptic number.

It is an amenable number.

99752025 is a deficient number, since it is larger than the sum of its proper divisors (70862055).

99752025 is a wasteful number, since it uses less digits than its factorization.

99752025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45905 (or 45900 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 99752025 is about 9987.5935540049. The cubic root of 99752025 is about 463.7748997947.

The spelling of 99752025 in words is "ninety-nine million, seven hundred fifty-two thousand, twenty-five".