99257113 has 2 divisors, whose sum is σ = 99257114. Its totient is φ = 99257112.

The previous prime is 99257107. The next prime is 99257117. The reversal of 99257113 is 31175299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93934864 + 5322249 = 9692^2 + 2307^2 .

It is an emirp because it is prime and its reverse (31175299) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99257113 is a prime.

It is not a weakly prime, because it can be changed into another prime (99257117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49628556 + 49628557.

It is an arithmetic number, because the mean of its divisors is an integer number (49628557).

Almost surely, 2^99257113 is an apocalyptic number.

It is an amenable number.

99257113 is a deficient number, since it is larger than the sum of its proper divisors (1).

99257113 is an equidigital number, since it uses as much as digits as its factorization.

99257113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 37.

The square root of 99257113 is about 9962.7864074264. The cubic root of 99257113 is about 463.0066333268.

The spelling of 99257113 in words is "ninety-nine million, two hundred fifty-seven thousand, one hundred thirteen".