3189161 has 2 divisors, whose sum is σ = 3189162. Its totient is φ = 3189160.

The previous prime is 3189139. The next prime is 3189167. The reversal of 3189161 is 1619813.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3083536 + 105625 = 1756^2 + 325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3189161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3189167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1594580 + 1594581.

It is an arithmetic number, because the mean of its divisors is an integer number (1594581).

Almost surely, 2^3189161 is an apocalyptic number.

It is an amenable number.

3189161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3189161 is an equidigital number, since it uses as much as digits as its factorization.

3189161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 29.

The square root of 3189161 is about 1785.8222195952. The cubic root of 3189161 is about 147.1946916653.

The spelling of 3189161 in words is "three million, one hundred eighty-nine thousand, one hundred sixty-one".