90330113 has 2 divisors, whose sum is σ = 90330114. Its totient is φ = 90330112.

The previous prime is 90330109. The next prime is 90330151. The reversal of 90330113 is 31103309.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90307009 + 23104 = 9503^2 + 152^2 .

It is an emirp because it is prime and its reverse (31103309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90330113 - 2² = 90330109 is a prime.

It is equal to p_5235104 and since 90330113 and 5235104 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (90330173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45165056 + 45165057.

It is an arithmetic number, because the mean of its divisors is an integer number (45165057).

Almost surely, 2^90330113 is an apocalyptic number.

It is an amenable number.

90330113 is a deficient number, since it is larger than the sum of its proper divisors (1).

90330113 is an equidigital number, since it uses as much as digits as its factorization.

90330113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 90330113 is about 9504.2155383809. The cubic root of 90330113 is about 448.6877209164.

The spelling of 90330113 in words is "ninety million, three hundred thirty thousand, one hundred thirteen".