3207161 has 2 divisors, whose sum is σ = 3207162. Its totient is φ = 3207160.

The previous prime is 3207157. The next prime is 3207173. The reversal of 3207161 is 1617023.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3097600 + 109561 = 1760^2 + 331^2 .

It is a cyclic number.

It is not a de Polignac number, because 3207161 - 2² = 3207157 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3207121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603580 + 1603581.

It is an arithmetic number, because the mean of its divisors is an integer number (1603581).

Almost surely, 2^3207161 is an apocalyptic number.

It is an amenable number.

3207161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3207161 is an equidigital number, since it uses as much as digits as its factorization.

3207161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 3207161 is about 1790.8548238202. The cubic root of 3207161 is about 147.4711003421.

The spelling of 3207161 in words is "three million, two hundred seven thousand, one hundred sixty-one".