32194661 has 2 divisors, whose sum is σ = 32194662. Its totient is φ = 32194660.

The previous prime is 32194649. The next prime is 32194667. The reversal of 32194661 is 16649123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18541636 + 13653025 = 4306^2 + 3695^2 .

It is an emirp because it is prime and its reverse (16649123) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32194661 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32194667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16097330 + 16097331.

It is an arithmetic number, because the mean of its divisors is an integer number (16097331).

Almost surely, 2^32194661 is an apocalyptic number.

It is an amenable number.

32194661 is a deficient number, since it is larger than the sum of its proper divisors (1).

32194661 is an equidigital number, since it uses as much as digits as its factorization.

32194661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 32194661 is about 5674.0339265817. The cubic root of 32194661 is about 318.1226699973.

The spelling of 32194661 in words is "thirty-two million, one hundred ninety-four thousand, six hundred sixty-one".