99517205 has 16 divisors (see below), whose sum is σ = 125400960. Its totient is φ = 75670848.

The previous prime is 99517153. The next prime is 99517207. The reversal of 99517205 is 50271599.

It is a cyclic number.

It is not a de Polignac number, because 99517205 - 2⁶ = 99517141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99517207) 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, 16091 + ... + 21399.

It is an arithmetic number, because the mean of its divisors is an integer number (7837560).

Almost surely, 2^99517205 is an apocalyptic number.

It is an amenable number.

99517205 is a deficient number, since it is larger than the sum of its proper divisors (25883755).

99517205 is a wasteful number, since it uses less digits than its factorization.

99517205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 99517205 is about 9975.8310430761. The cubic root of 99517205 is about 463.4106993744.

The spelling of 99517205 in words is "ninety-nine million, five hundred seventeen thousand, two hundred five".