32560081 has 4 divisors (see below), whose sum is σ = 32640100. Its totient is φ = 32480064.

The previous prime is 32560079. The next prime is 32560093. The reversal of 32560081 is 18006523.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18006523 = 71 ⋅253613.

It can be written as a sum of positive squares in 2 ways, for example, as 27196225 + 5363856 = 5215^2 + 2316^2 .

It is a cyclic number.

It is not a de Polignac number, because 32560081 - 2¹ = 32560079 is a prime.

It is a super-2 number, since 2×32560081² = 2120317749453122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32560061) 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, 39396 + ... + 40213.

It is an arithmetic number, because the mean of its divisors is an integer number (8160025).

Almost surely, 2^32560081 is an apocalyptic number.

It is an amenable number.

32560081 is a deficient number, since it is larger than the sum of its proper divisors (80019).

32560081 is an equidigital number, since it uses as much as digits as its factorization.

32560081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80018.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 32560081 is about 5706.1441446918. The cubic root of 32560081 is about 319.3217437557.

It can be divided in two parts, 325 and 60081, that added together give a palindrome (60406).

The spelling of 32560081 in words is "thirty-two million, five hundred sixty thousand, eighty-one".