3201161 has 2 divisors, whose sum is σ = 3201162. Its totient is φ = 3201160.

The previous prime is 3201131. The next prime is 3201167. The reversal of 3201161 is 1611023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3168400 + 32761 = 1780^2 + 181^2 .

It is a cyclic number.

It is not a de Polignac number, because 3201161 - 2¹⁰ = 3200137 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3201167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600580 + 1600581.

It is an arithmetic number, because the mean of its divisors is an integer number (1600581).

Almost surely, 2^3201161 is an apocalyptic number.

It is an amenable number.

3201161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201161 is an equidigital number, since it uses as much as digits as its factorization.

3201161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3201161 is about 1789.1788619364. The cubic root of 3201161 is about 147.3790792931.

Adding to 3201161 its reverse (1611023), we get a palindrome (4812184).

The spelling of 3201161 in words is "three million, two hundred one thousand, one hundred sixty-one".