89033531 has 4 divisors (see below), whose sum is σ = 89674200. Its totient is φ = 88392864.

The previous prime is 89033513. The next prime is 89033533. The reversal of 89033531 is 13533098.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89033531 - 2⁶ = 89033467 is a prime.

It is a super-2 number, since 2×89033531² = 15853939284655922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89033533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320126 + ... + 320403.

It is an arithmetic number, because the mean of its divisors is an integer number (22418550).

Almost surely, 2^89033531 is an apocalyptic number.

89033531 is a deficient number, since it is larger than the sum of its proper divisors (640669).

89033531 is a wasteful number, since it uses less digits than its factorization.

89033531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640668.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 89033531 is about 9435.7581041483. The cubic root of 89033531 is about 446.5305726936.

The spelling of 89033531 in words is "eighty-nine million, thirty-three thousand, five hundred thirty-one".