32081 has 4 divisors (see below), whose sum is σ = 36672. Its totient is φ = 27492.

The previous prime is 32077. The next prime is 32083. The reversal of 32081 is 18023.

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: 18023 = 67 ⋅269.

It is a cyclic number.

It is not a de Polignac number, because 32081 - 2² = 32077 is a prime.

It is a super-2 number, since 2×32081² = 2058381122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a nialpdrome in base 8 and base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 32081.

It is not an unprimeable number, because it can be changed into a prime (32083) 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, 2285 + ... + 2298.

It is an arithmetic number, because the mean of its divisors is an integer number (9168).

2³²⁰⁸¹ is an apocalyptic number.

It is an amenable number.

32081 is a deficient number, since it is larger than the sum of its proper divisors (4591).

32081 is an equidigital number, since it uses as much as digits as its factorization.

32081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 32081 is about 179.1116969938. Note that the first 3 decimals coincide. The cubic root of 32081 is about 31.7747858620.

The spelling of 32081 in words is "thirty-two thousand, eighty-one".