99533171 has 2 divisors, whose sum is σ = 99533172. Its totient is φ = 99533170.

The previous prime is 99533143. The next prime is 99533201. The reversal of 99533171 is 17133599.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99533171 - 2⁶ = 99533107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99533101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49766585 + 49766586.

It is an arithmetic number, because the mean of its divisors is an integer number (49766586).

Almost surely, 2^99533171 is an apocalyptic number.

99533171 is a deficient number, since it is larger than the sum of its proper divisors (1).

99533171 is an equidigital number, since it uses as much as digits as its factorization.

99533171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25515, while the sum is 38.

The square root of 99533171 is about 9976.6312450646. The cubic root of 99533171 is about 463.4354804146.

The spelling of 99533171 in words is "ninety-nine million, five hundred thirty-three thousand, one hundred seventy-one".