90035917 has 2 divisors, whose sum is σ = 90035918. Its totient is φ = 90035916.

The previous prime is 90035909. The next prime is 90035921. The reversal of 90035917 is 71953009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72488196 + 17547721 = 8514^2 + 4189^2 .

It is an emirp because it is prime and its reverse (71953009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90035917 - 2³ = 90035909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90035987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45017958 + 45017959.

It is an arithmetic number, because the mean of its divisors is an integer number (45017959).

Almost surely, 2^90035917 is an apocalyptic number.

It is an amenable number.

90035917 is a deficient number, since it is larger than the sum of its proper divisors (1).

90035917 is an equidigital number, since it uses as much as digits as its factorization.

90035917 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 34.

The square root of 90035917 is about 9488.7257837920. The cubic root of 90035917 is about 448.2000810288.

The spelling of 90035917 in words is "ninety million, thirty-five thousand, nine hundred seventeen".