99925017 has 16 divisors (see below), whose sum is σ = 135325440. Its totient is φ = 65577600.

The previous prime is 99924959. The next prime is 99925027. The reversal of 99925017 is 71052999.

It is not a de Polignac number, because 99925017 - 2⁷ = 99924889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99925017.

It is not an unprimeable number, because it can be changed into a prime (99925027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71667 + ... + 73047.

It is an arithmetic number, because the mean of its divisors is an integer number (8457840).

Almost surely, 2^99925017 is an apocalyptic number.

It is an amenable number.

99925017 is a deficient number, since it is larger than the sum of its proper divisors (35400423).

99925017 is a wasteful number, since it uses less digits than its factorization.

99925017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744.

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 99925017 is about 9996.2501469301. The cubic root of 99925017 is about 464.0428409339.

The spelling of 99925017 in words is "ninety-nine million, nine hundred twenty-five thousand, seventeen".