999996113 has 2 divisors, whose sum is σ = 999996114. Its totient is φ = 999996112.

The previous prime is 999996091. The next prime is 999996131. The reversal of 999996113 is 311699999.

Together with next prime (999996131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 516743824 + 483252289 = 22732^2 + 21983^2 .

It is a cyclic number.

It is not a de Polignac number, because 999996113 - 2²⁸ = 731560657 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (999996913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499998056 + 499998057.

It is an arithmetic number, because the mean of its divisors is an integer number (499998057).

Almost surely, 2^999996113 is an apocalyptic number.

It is an amenable number.

999996113 is a deficient number, since it is larger than the sum of its proper divisors (1).

999996113 is an equidigital number, since it uses as much as digits as its factorization.

999996113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1062882, while the sum is 56.

The square root of 999996113 is about 31622.7151427577. The cubic root of 999996113 is about 999.9987043317.

The spelling of 999996113 in words is "nine hundred ninety-nine million, nine hundred ninety-six thousand, one hundred thirteen".