32189 has 2 divisors, whose sum is σ = 32190. Its totient is φ = 32188.

The previous prime is 32183. The next prime is 32191. The reversal of 32189 is 98123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24964 + 7225 = 158^2 + 85^2 .

It is an emirp because it is prime and its reverse (98123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32189 - 2⁴ = 32173 is a prime.

It is a super-2 number, since 2×32189² = 2072263442, which contains 22 as substring.

Together with 32191, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16094 + 16095.

It is an arithmetic number, because the mean of its divisors is an integer number (16095).

2³²¹⁸⁹ is an apocalyptic number.

It is an amenable number.

32189 is a deficient number, since it is larger than the sum of its proper divisors (1).

32189 is an equidigital number, since it uses as much as digits as its factorization.

32189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 23.

The square root of 32189 is about 179.4129315295. The cubic root of 32189 is about 31.8104023034.

The spelling of 32189 in words is "thirty-two thousand, one hundred eighty-nine".