32442161 has 2 divisors, whose sum is σ = 32442162. Its totient is φ = 32442160.

The previous prime is 32442143. The next prime is 32442181. The reversal of 32442161 is 16124423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31528225 + 913936 = 5615^2 + 956^2 .

It is a cyclic number.

It is not a de Polignac number, because 32442161 - 2¹⁰ = 32441137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32442131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16221080 + 16221081.

It is an arithmetic number, because the mean of its divisors is an integer number (16221081).

Almost surely, 2^32442161 is an apocalyptic number.

It is an amenable number.

32442161 is a deficient number, since it is larger than the sum of its proper divisors (1).

32442161 is an equidigital number, since it uses as much as digits as its factorization.

32442161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 32442161 is about 5695.8020506334. The cubic root of 32442161 is about 318.9357909046.

Adding to 32442161 its reverse (16124423), we get a palindrome (48566584).

The spelling of 32442161 in words is "thirty-two million, four hundred forty-two thousand, one hundred sixty-one".