90941563 has 8 divisors (see below), whose sum is σ = 95076000. Its totient is φ = 86822208.

The previous prime is 90941549. The next prime is 90941573. The reversal of 90941563 is 36514909.

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 90941563 - 2⁹ = 90941051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90941573) 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, 9613 + ... + 16561.

It is an arithmetic number, because the mean of its divisors is an integer number (11884500).

Almost surely, 2^90941563 is an apocalyptic number.

90941563 is a deficient number, since it is larger than the sum of its proper divisors (4134437).

90941563 is a wasteful number, since it uses less digits than its factorization.

90941563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 90941563 is about 9536.3285912347. The cubic root of 90941563 is about 449.6978432499.

The spelling of 90941563 in words is "ninety million, nine hundred forty-one thousand, five hundred sixty-three".