99502913 has 2 divisors, whose sum is σ = 99502914. Its totient is φ = 99502912.

The previous prime is 99502873. The next prime is 99502919. The reversal of 99502913 is 31920599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68277169 + 31225744 = 8263^2 + 5588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99502913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (99502919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49751456 + 49751457.

It is an arithmetic number, because the mean of its divisors is an integer number (49751457).

Almost surely, 2^99502913 is an apocalyptic number.

It is an amenable number.

99502913 is a deficient number, since it is larger than the sum of its proper divisors (1).

99502913 is an equidigital number, since it uses as much as digits as its factorization.

99502913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 99502913 is about 9975.1146860575. The cubic root of 99502913 is about 463.3885143234.

The spelling of 99502913 in words is "ninety-nine million, five hundred two thousand, nine hundred thirteen".