99552617 has 2 divisors, whose sum is σ = 99552618. Its totient is φ = 99552616.

The previous prime is 99552613. The next prime is 99552619. The reversal of 99552617 is 71625599.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99520576 + 32041 = 9976^2 + 179^2 .

It is a cyclic number.

It is not a de Polignac number, because 99552617 - 2² = 99552613 is a prime.

Together with 99552619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99552613) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49776308 + 49776309.

It is an arithmetic number, because the mean of its divisors is an integer number (49776309).

Almost surely, 2^99552617 is an apocalyptic number.

It is an amenable number.

99552617 is a deficient number, since it is larger than the sum of its proper divisors (1).

99552617 is an equidigital number, since it uses as much as digits as its factorization.

99552617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 44.

The square root of 99552617 is about 9977.6057749342. The cubic root of 99552617 is about 463.4656592298.

The spelling of 99552617 in words is "ninety-nine million, five hundred fifty-two thousand, six hundred seventeen".