32781941 has 2 divisors, whose sum is σ = 32781942. Its totient is φ = 32781940.

The previous prime is 32781893. The next prime is 32781971. The reversal of 32781941 is 14918723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21659716 + 11122225 = 4654^2 + 3335^2 .

It is an emirp because it is prime and its reverse (14918723) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32781941 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32781971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16390970 + 16390971.

It is an arithmetic number, because the mean of its divisors is an integer number (16390971).

Almost surely, 2^32781941 is an apocalyptic number.

It is an amenable number.

32781941 is a deficient number, since it is larger than the sum of its proper divisors (1).

32781941 is an equidigital number, since it uses as much as digits as its factorization.

32781941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 32781941 is about 5725.5515891484. The cubic root of 32781941 is about 320.0453744252.

The spelling of 32781941 in words is "thirty-two million, seven hundred eighty-one thousand, nine hundred forty-one".