2712161 has 2 divisors, whose sum is σ = 2712162. Its totient is φ = 2712160.

The previous prime is 2712133. The next prime is 2712173. The reversal of 2712161 is 1612172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1366561 + 1345600 = 1169^2 + 1160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2712161 - 2¹⁸ = 2450017 is a prime.

It is a Chen prime.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (2712131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1356080 + 1356081.

It is an arithmetic number, because the mean of its divisors is an integer number (1356081).

2^2712161 is an apocalyptic number.

2712161 is the 737-th centered decagonal number.

It is an amenable number.

2712161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2712161 is an equidigital number, since it uses as much as digits as its factorization.

2712161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 20.

The square root of 2712161 is about 1646.8639895268. The cubic root of 2712161 is about 139.4564125159.

The spelling of 2712161 in words is "two million, seven hundred twelve thousand, one hundred sixty-one".