99100217 has 2 divisors, whose sum is σ = 99100218. Its totient is φ = 99100216.

The previous prime is 99100187. The next prime is 99100231. The reversal of 99100217 is 71200199.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93392896 + 5707321 = 9664^2 + 2389^2 .

It is a cyclic number.

It is not a de Polignac number, because 99100217 - 2⁶ = 99100153 is a prime.

It is a Chen prime.

It is equal to p_5712635 and since 99100217 and 5712635 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99100217.

It is not a weakly prime, because it can be changed into another prime (99100247) 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 as a sum of consecutive naturals, namely, 49550108 + 49550109.

It is an arithmetic number, because the mean of its divisors is an integer number (49550109).

Almost surely, 2^99100217 is an apocalyptic number.

It is an amenable number.

99100217 is a deficient number, since it is larger than the sum of its proper divisors (1).

99100217 is an equidigital number, since it uses as much as digits as its factorization.

99100217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 99100217 is about 9954.9091909469. The cubic root of 99100217 is about 462.7625460390.

The spelling of 99100217 in words is "ninety-nine million, one hundred thousand, two hundred seventeen".