99154271 has 2 divisors, whose sum is σ = 99154272. Its totient is φ = 99154270.

The previous prime is 99154249. The next prime is 99154283. The reversal of 99154271 is 17245199.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99154271 - 2¹⁰ = 99153247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99154201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49577135 + 49577136.

It is an arithmetic number, because the mean of its divisors is an integer number (49577136).

Almost surely, 2^99154271 is an apocalyptic number.

99154271 is a deficient number, since it is larger than the sum of its proper divisors (1).

99154271 is an equidigital number, since it uses as much as digits as its factorization.

99154271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 38.

The square root of 99154271 is about 9957.6237627257. The cubic root of 99154271 is about 462.8466683575.

The spelling of 99154271 in words is "ninety-nine million, one hundred fifty-four thousand, two hundred seventy-one".