90325717 has 2 divisors, whose sum is σ = 90325718. Its totient is φ = 90325716.

The previous prime is 90325699. The next prime is 90325733. The reversal of 90325717 is 71752309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86843761 + 3481956 = 9319^2 + 1866^2 .

It is an emirp because it is prime and its reverse (71752309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90325717 - 2⁷ = 90325589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90325787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45162858 + 45162859.

It is an arithmetic number, because the mean of its divisors is an integer number (45162859).

Almost surely, 2^90325717 is an apocalyptic number.

It is an amenable number.

90325717 is a deficient number, since it is larger than the sum of its proper divisors (1).

90325717 is an equidigital number, since it uses as much as digits as its factorization.

90325717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 90325717 is about 9503.9842697681. The cubic root of 90325717 is about 448.6804421949.

The spelling of 90325717 in words is "ninety million, three hundred twenty-five thousand, seven hundred seventeen".