99963271 has 2 divisors, whose sum is σ = 99963272. Its totient is φ = 99963270.

The previous prime is 99963217. The next prime is 99963277. The reversal of 99963271 is 17236999.

Together with previous prime (99963217) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99963271 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 (99963277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49981635 + 49981636.

It is an arithmetic number, because the mean of its divisors is an integer number (49981636).

Almost surely, 2^99963271 is an apocalyptic number.

99963271 is a deficient number, since it is larger than the sum of its proper divisors (1).

99963271 is an equidigital number, since it uses as much as digits as its factorization.

99963271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 46.

The square root of 99963271 is about 9998.1633813416. The cubic root of 99963271 is about 464.1020494304.

The spelling of 99963271 in words is "ninety-nine million, nine hundred sixty-three thousand, two hundred seventy-one".