99512597 has 2 divisors, whose sum is σ = 99512598. Its totient is φ = 99512596.

The previous prime is 99512593. The next prime is 99512603. The reversal of 99512597 is 79521599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93876721 + 5635876 = 9689^2 + 2374^2 .

It is a cyclic number.

It is not a de Polignac number, because 99512597 - 2² = 99512593 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99512593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49756298 + 49756299.

It is an arithmetic number, because the mean of its divisors is an integer number (49756299).

Almost surely, 2^99512597 is an apocalyptic number.

It is an amenable number.

99512597 is a deficient number, since it is larger than the sum of its proper divisors (1).

99512597 is an equidigital number, since it uses as much as digits as its factorization.

99512597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 255150, while the sum is 47.

The square root of 99512597 is about 9975.6000822006. The cubic root of 99512597 is about 463.4035467436.

The spelling of 99512597 in words is "ninety-nine million, five hundred twelve thousand, five hundred ninety-seven".