99617101 has 2 divisors, whose sum is σ = 99617102. Its totient is φ = 99617100.

The previous prime is 99617099. The next prime is 99617123. The reversal of 99617101 is 10171699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76143076 + 23474025 = 8726^2 + 4845^2 .

It is a cyclic number.

It is not a de Polignac number, because 99617101 - 2¹ = 99617099 is a prime.

Together with 99617099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99617191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49808550 + 49808551.

It is an arithmetic number, because the mean of its divisors is an integer number (49808551).

Almost surely, 2^99617101 is an apocalyptic number.

It is an amenable number.

99617101 is a deficient number, since it is larger than the sum of its proper divisors (1).

99617101 is an equidigital number, since it uses as much as digits as its factorization.

99617101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 34.

The square root of 99617101 is about 9980.8366883744. The cubic root of 99617101 is about 463.5657057178.

The spelling of 99617101 in words is "ninety-nine million, six hundred seventeen thousand, one hundred one".