90510113 has 2 divisors, whose sum is σ = 90510114. Its totient is φ = 90510112.

The previous prime is 90510067. The next prime is 90510137. The reversal of 90510113 is 31101509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90003169 + 506944 = 9487^2 + 712^2 .

It is an emirp because it is prime and its reverse (31101509) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90510113 - 2¹⁴ = 90493729 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90510143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45255056 + 45255057.

It is an arithmetic number, because the mean of its divisors is an integer number (45255057).

Almost surely, 2^90510113 is an apocalyptic number.

It is an amenable number.

90510113 is a deficient number, since it is larger than the sum of its proper divisors (1).

90510113 is an equidigital number, since it uses as much as digits as its factorization.

90510113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 90510113 is about 9513.6803078514. The cubic root of 90510113 is about 448.9855551625.

The spelling of 90510113 in words is "ninety million, five hundred ten thousand, one hundred thirteen".