99574171 has 2 divisors, whose sum is σ = 99574172. Its totient is φ = 99574170.

The previous prime is 99574133. The next prime is 99574177. The reversal of 99574171 is 17147599.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99574171 - 2⁷ = 99574043 is a prime.

It is not a weakly prime, because it can be changed into another prime (99574177) 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, 49787085 + 49787086.

It is an arithmetic number, because the mean of its divisors is an integer number (49787086).

Almost surely, 2^99574171 is an apocalyptic number.

99574171 is a deficient number, since it is larger than the sum of its proper divisors (1).

99574171 is an equidigital number, since it uses as much as digits as its factorization.

99574171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 43.

The square root of 99574171 is about 9978.6858353192. The cubic root of 99574171 is about 463.4991049201.

The spelling of 99574171 in words is "ninety-nine million, five hundred seventy-four thousand, one hundred seventy-one".