90114593 has 2 divisors, whose sum is σ = 90114594. Its totient is φ = 90114592.

The previous prime is 90114581. The next prime is 90114599. The reversal of 90114593 is 39541109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82319329 + 7795264 = 9073^2 + 2792^2 .

It is a cyclic number.

It is not a de Polignac number, because 90114593 - 2¹⁸ = 89852449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (90114599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45057296 + 45057297.

It is an arithmetic number, because the mean of its divisors is an integer number (45057297).

Almost surely, 2^90114593 is an apocalyptic number.

It is an amenable number.

90114593 is a deficient number, since it is larger than the sum of its proper divisors (1).

90114593 is an equidigital number, since it uses as much as digits as its factorization.

90114593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 90114593 is about 9492.8706406440. The cubic root of 90114593 is about 448.3305931051.

The spelling of 90114593 in words is "ninety million, one hundred fourteen thousand, five hundred ninety-three".