97589 has 4 divisors (see below), whose sum is σ = 101856. Its totient is φ = 93324.

The previous prime is 97583. The next prime is 97607. The reversal of 97589 is 98579.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98579 = 13 ⋅7583.

It is a cyclic number.

It is not a de Polignac number, because 97589 - 2¹² = 93493 is a prime.

It is a super-2 number, since 2×97589² = 19047225842, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (25464).

2⁹⁷⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

97589 is a deficient number, since it is larger than the sum of its proper divisors (4267).

97589 is a wasteful number, since it uses less digits than its factorization.

97589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266.

The product of its digits is 22680, while the sum is 38.

The square root of 97589 is about 312.3923814692. The cubic root of 97589 is about 46.0398205912.

Subtracting 97589 from its reverse (98579), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 97 and 589, that added together give a palindrome (686).

The spelling of 97589 in words is "ninety-seven thousand, five hundred eighty-nine".