89508521 has 8 divisors (see below), whose sum is σ = 90444288. Its totient is φ = 88578000.

The previous prime is 89508509. The next prime is 89508527. The reversal of 89508521 is 12580598.

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 89508521 - 2²² = 85314217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89508527) 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, 39191 + ... + 41411.

It is an arithmetic number, because the mean of its divisors is an integer number (11305536).

Almost surely, 2^89508521 is an apocalyptic number.

It is an amenable number.

89508521 is a deficient number, since it is larger than the sum of its proper divisors (935767).

89508521 is a wasteful number, since it uses less digits than its factorization.

89508521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 89508521 is about 9460.8943023374. The cubic root of 89508521 is about 447.3232384500.

It can be divided in two parts, 8950 and 8521, that added together give a palindrome (17471).

The spelling of 89508521 in words is "eighty-nine million, five hundred eight thousand, five hundred twenty-one".