99952397 has 2 divisors, whose sum is σ = 99952398. Its totient is φ = 99952396.

The previous prime is 99952393. The next prime is 99952399. The reversal of 99952397 is 79325999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99880036 + 72361 = 9994^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 99952397 - 2² = 99952393 is a prime.

Together with 99952399, 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 (99952393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49976198 + 49976199.

It is an arithmetic number, because the mean of its divisors is an integer number (49976199).

Almost surely, 2^99952397 is an apocalyptic number.

It is an amenable number.

99952397 is a deficient number, since it is larger than the sum of its proper divisors (1).

99952397 is an equidigital number, since it uses as much as digits as its factorization.

99952397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1377810, while the sum is 53.

The square root of 99952397 is about 9997.6195666769. The cubic root of 99952397 is about 464.0852204870.

The spelling of 99952397 in words is "ninety-nine million, nine hundred fifty-two thousand, three hundred ninety-seven".