90465017 has 2 divisors, whose sum is σ = 90465018. Its totient is φ = 90465016.

The previous prime is 90464999. The next prime is 90465019. The reversal of 90465017 is 71056409.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79941481 + 10523536 = 8941^2 + 3244^2 .

It is a cyclic number.

It is not a de Polignac number, because 90465017 - 2⁸ = 90464761 is a prime.

Together with 90465019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90465019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45232508 + 45232509.

It is an arithmetic number, because the mean of its divisors is an integer number (45232509).

Almost surely, 2^90465017 is an apocalyptic number.

It is an amenable number.

90465017 is a deficient number, since it is larger than the sum of its proper divisors (1).

90465017 is an equidigital number, since it uses as much as digits as its factorization.

90465017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 90465017 is about 9511.3099518415. The cubic root of 90465017 is about 448.9109748548.

The spelling of 90465017 in words is "ninety million, four hundred sixty-five thousand, seventeen".