99982013 has 2 divisors, whose sum is σ = 99982014. Its totient is φ = 99982012.

The previous prime is 99982007. The next prime is 99982033. The reversal of 99982013 is 31028999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99460729 + 521284 = 9973^2 + 722^2 .

It is an emirp because it is prime and its reverse (31028999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99982013 - 2⁸ = 99981757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99982033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49991006 + 49991007.

It is an arithmetic number, because the mean of its divisors is an integer number (49991007).

Almost surely, 2^99982013 is an apocalyptic number.

It is an amenable number.

99982013 is a deficient number, since it is larger than the sum of its proper divisors (1).

99982013 is an equidigital number, since it uses as much as digits as its factorization.

99982013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 99982013 is about 9999.1006095548. The cubic root of 99982013 is about 464.1310522731.

The spelling of 99982013 in words is "ninety-nine million, nine hundred eighty-two thousand, thirteen".