99521327 has 2 divisors, whose sum is σ = 99521328. Its totient is φ = 99521326.

The previous prime is 99521291. The next prime is 99521353. The reversal of 99521327 is 72312599.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99521327 - 2⁶ = 99521263 is a prime.

It is a Chen prime.

It is equal to p_5735396 and since 99521327 and 5735396 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99521827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49760663 + 49760664.

It is an arithmetic number, because the mean of its divisors is an integer number (49760664).

Almost surely, 2^99521327 is an apocalyptic number.

99521327 is a deficient number, since it is larger than the sum of its proper divisors (1).

99521327 is an equidigital number, since it uses as much as digits as its factorization.

99521327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 99521327 is about 9976.0376402658. The cubic root of 99521327 is about 463.4170974390.

It can be divided in two parts, 995 and 21327, that added together give a palindrome (22322).

The spelling of 99521327 in words is "ninety-nine million, five hundred twenty-one thousand, three hundred twenty-seven".