89097531 has 8 divisors (see below), whose sum is σ = 119259984. Its totient is φ = 59166720.

The previous prime is 89097523. The next prime is 89097557. The reversal of 89097531 is 13579098.

It is a happy number.

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

It is not a de Polignac number, because 89097531 - 2³ = 89097523 is a prime.

It is a super-2 number, since 2×89097531² = 15876740060591922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89097521) 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, 57010 + ... + 58551.

It is an arithmetic number, because the mean of its divisors is an integer number (14907498).

Almost surely, 2^89097531 is an apocalyptic number.

89097531 is a deficient number, since it is larger than the sum of its proper divisors (30162453).

89097531 is a wasteful number, since it uses less digits than its factorization.

89097531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115821.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 89097531 is about 9439.1488493402. The cubic root of 89097531 is about 446.6375403027.

The spelling of 89097531 in words is "eighty-nine million, ninety-seven thousand, five hundred thirty-one".