99304213 has 2 divisors, whose sum is σ = 99304214. Its totient is φ = 99304212.

The previous prime is 99304211. The next prime is 99304229. The reversal of 99304213 is 31240399.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93837969 + 5466244 = 9687^2 + 2338^2 .

It is an emirp because it is prime and its reverse (31240399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99304213 - 2¹ = 99304211 is a prime.

It is a super-2 number, since 2×99304213² = 19722653439098738, which contains 22 as substring.

Together with 99304211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99304211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49652106 + 49652107.

It is an arithmetic number, because the mean of its divisors is an integer number (49652107).

Almost surely, 2^99304213 is an apocalyptic number.

It is an amenable number.

99304213 is a deficient number, since it is larger than the sum of its proper divisors (1).

99304213 is an equidigital number, since it uses as much as digits as its factorization.

99304213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 99304213 is about 9965.1499236088. The cubic root of 99304213 is about 463.0798578486.

The spelling of 99304213 in words is "ninety-nine million, three hundred four thousand, two hundred thirteen".