2816291 has 2 divisors, whose sum is σ = 2816292. Its totient is φ = 2816290.

The previous prime is 2816269. The next prime is 2816293. The reversal of 2816291 is 1926182.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2816291 is a prime.

Together with 2816293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2816293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1408145 + 1408146.

It is an arithmetic number, because the mean of its divisors is an integer number (1408146).

2^2816291 is an apocalyptic number.

2816291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2816291 is an equidigital number, since it uses as much as digits as its factorization.

2816291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 29.

The square root of 2816291 is about 1678.1808603366. The cubic root of 2816291 is about 141.2187975039.

The spelling of 2816291 in words is "two million, eight hundred sixteen thousand, two hundred ninety-one".