2842681 has 2 divisors, whose sum is σ = 2842682. Its totient is φ = 2842680.

The previous prime is 2842663. The next prime is 2842691. The reversal of 2842681 is 1862482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 826281 = 1420^2 + 909^2 .

It is a cyclic number.

It is not a de Polignac number, because 2842681 - 2⁵ = 2842649 is a prime.

It is a super-2 number, since 2×2842681² = 16161670535522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2842691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1421340 + 1421341.

It is an arithmetic number, because the mean of its divisors is an integer number (1421341).

2^2842681 is an apocalyptic number.

It is an amenable number.

2842681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2842681 is an equidigital number, since it uses as much as digits as its factorization.

2842681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 31.

The square root of 2842681 is about 1686.0252074035. The cubic root of 2842681 is about 141.6585228690.

The spelling of 2842681 in words is "two million, eight hundred forty-two thousand, six hundred eighty-one".