90580517 has 8 divisors (see below), whose sum is σ = 93382080. Its totient is φ = 87821280.

The previous prime is 90580513. The next prime is 90580519. The reversal of 90580517 is 71508509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90580517 - 2² = 90580513 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90580513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6209 + ... + 14822.

It is an arithmetic number, because the mean of its divisors is an integer number (11672760).

Almost surely, 2^90580517 is an apocalyptic number.

It is an amenable number.

90580517 is a deficient number, since it is larger than the sum of its proper divisors (2801563).

90580517 is a wasteful number, since it uses less digits than its factorization.

90580517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21163.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 90580517 is about 9517.3797339394. The cubic root of 90580517 is about 449.1019406337.

The spelling of 90580517 in words is "ninety million, five hundred eighty thousand, five hundred seventeen".