32665441 has 2 divisors, whose sum is σ = 32665442. Its totient is φ = 32665440.

The previous prime is 32665421. The next prime is 32665453. The reversal of 32665441 is 14456623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28944400 + 3721041 = 5380^2 + 1929^2 .

It is an emirp because it is prime and its reverse (14456623) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32665441 is a prime.

It is not a weakly prime, because it can be changed into another prime (32665421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16332720 + 16332721.

It is an arithmetic number, because the mean of its divisors is an integer number (16332721).

Almost surely, 2^32665441 is an apocalyptic number.

It is an amenable number.

32665441 is a deficient number, since it is larger than the sum of its proper divisors (1).

32665441 is an equidigital number, since it uses as much as digits as its factorization.

32665441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 32665441 is about 5715.3688419909. The cubic root of 32665441 is about 319.6658001803.

The spelling of 32665441 in words is "thirty-two million, six hundred sixty-five thousand, four hundred forty-one".