32444161 has 4 divisors (see below), whose sum is σ = 33235524. Its totient is φ = 31652800.

The previous prime is 32444141. The next prime is 32444171. The reversal of 32444161 is 16144423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16144423 = 113 ⋅142871.

It can be written as a sum of positive squares in 2 ways, for example, as 5973136 + 26471025 = 2444^2 + 5145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32444161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32444101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395620 + ... + 395701.

It is an arithmetic number, because the mean of its divisors is an integer number (8308881).

Almost surely, 2^32444161 is an apocalyptic number.

It is an amenable number.

32444161 is a deficient number, since it is larger than the sum of its proper divisors (791363).

32444161 is an equidigital number, since it uses as much as digits as its factorization.

32444161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791362.

The product of its digits is 2304, while the sum is 25.

The square root of 32444161 is about 5695.9776158268. The cubic root of 32444161 is about 318.9423447064.

Adding to 32444161 its reverse (16144423), we get a palindrome (48588584).

The spelling of 32444161 in words is "thirty-two million, four hundred forty-four thousand, one hundred sixty-one".