99574271 has 2 divisors, whose sum is σ = 99574272. Its totient is φ = 99574270.

The previous prime is 99574249. The next prime is 99574273. The reversal of 99574271 is 17247599.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99574271 is a prime.

Together with 99574273, 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 (99574273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49787135 + 49787136.

It is an arithmetic number, because the mean of its divisors is an integer number (49787136).

Almost surely, 2^99574271 is an apocalyptic number.

99574271 is a deficient number, since it is larger than the sum of its proper divisors (1).

99574271 is an equidigital number, since it uses as much as digits as its factorization.

99574271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 44.

The square root of 99574271 is about 9978.6908459978. The cubic root of 99574271 is about 463.4992600804.

The spelling of 99574271 in words is "ninety-nine million, five hundred seventy-four thousand, two hundred seventy-one".