2771141 has 2 divisors, whose sum is σ = 2771142. Its totient is φ = 2771140.

The previous prime is 2771123. The next prime is 2771143. The reversal of 2771141 is 1411772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1677025 + 1094116 = 1295^2 + 1046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2771141 is a prime.

Together with 2771143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2771143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385570 + 1385571.

It is an arithmetic number, because the mean of its divisors is an integer number (1385571).

2^2771141 is an apocalyptic number.

It is an amenable number.

2771141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2771141 is an equidigital number, since it uses as much as digits as its factorization.

2771141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 392, while the sum is 23.

The square root of 2771141 is about 1664.6744426464. The cubic root of 2771141 is about 140.4600681004.

The spelling of 2771141 in words is "two million, seven hundred seventy-one thousand, one hundred forty-one".