99570113 has 2 divisors, whose sum is σ = 99570114. Its totient is φ = 99570112.

The previous prime is 99570101. The next prime is 99570131. The reversal of 99570113 is 31107599.

Together with next prime (99570131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99540529 + 29584 = 9977^2 + 172^2 .

It is an emirp because it is prime and its reverse (31107599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99570113 - 2⁸ = 99569857 is a prime.

It is not a weakly prime, because it can be changed into another prime (99570313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49785056 + 49785057.

It is an arithmetic number, because the mean of its divisors is an integer number (49785057).

Almost surely, 2^99570113 is an apocalyptic number.

It is an amenable number.

99570113 is a deficient number, since it is larger than the sum of its proper divisors (1).

99570113 is an equidigital number, since it uses as much as digits as its factorization.

99570113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 99570113 is about 9978.4824998594. The cubic root of 99570113 is about 463.4928084247.

The spelling of 99570113 in words is "ninety-nine million, five hundred seventy thousand, one hundred thirteen".