99097247 has 2 divisors, whose sum is σ = 99097248. Its totient is φ = 99097246.

The previous prime is 99097189. The next prime is 99097249. The reversal of 99097247 is 74279099.

It is a strong prime.

It is an emirp because it is prime and its reverse (74279099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99097247 - 2¹⁶ = 99031711 is a prime.

Together with 99097249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99097249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49548623 + 49548624.

It is an arithmetic number, because the mean of its divisors is an integer number (49548624).

Almost surely, 2^99097247 is an apocalyptic number.

99097247 is a deficient number, since it is larger than the sum of its proper divisors (1).

99097247 is an equidigital number, since it uses as much as digits as its factorization.

99097247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 99097247 is about 9954.7600171978. The cubic root of 99097247 is about 462.7579230471.

The spelling of 99097247 in words is "ninety-nine million, ninety-seven thousand, two hundred forty-seven".