99817351 has 2 divisors, whose sum is σ = 99817352. Its totient is φ = 99817350.

The previous prime is 99817283. The next prime is 99817397. The reversal of 99817351 is 15371899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99817351 - 2⁹ = 99816839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99817298 and 99817307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99817651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49908675 + 49908676.

It is an arithmetic number, because the mean of its divisors is an integer number (49908676).

Almost surely, 2^99817351 is an apocalyptic number.

99817351 is a deficient number, since it is larger than the sum of its proper divisors (1).

99817351 is an equidigital number, since it uses as much as digits as its factorization.

99817351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 43.

The square root of 99817351 is about 9990.8633761052. The cubic root of 99817351 is about 463.8761172819.

The spelling of 99817351 in words is "ninety-nine million, eight hundred seventeen thousand, three hundred fifty-one".