99952399 has 2 divisors, whose sum is σ = 99952400. Its totient is φ = 99952398.

The previous prime is 99952397. The next prime is 99952427. The reversal of 99952399 is 99325999.

It is a weak prime.

It is an emirp because it is prime and its reverse (99325999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99952399 - 2¹ = 99952397 is a prime.

Together with 99952397, 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 (99952393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49976199 + 49976200.

It is an arithmetic number, because the mean of its divisors is an integer number (49976200).

Almost surely, 2^99952399 is an apocalyptic number.

99952399 is a deficient number, since it is larger than the sum of its proper divisors (1).

99952399 is an equidigital number, since it uses as much as digits as its factorization.

99952399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1771470, while the sum is 55.

The square root of 99952399 is about 9997.6196667007. The cubic root of 99952399 is about 464.0852235824.

The spelling of 99952399 in words is "ninety-nine million, nine hundred fifty-two thousand, three hundred ninety-nine".