2056843 has 2 divisors, whose sum is σ = 2056844. Its totient is φ = 2056842.

The previous prime is 2056841. The next prime is 2056853. The reversal of 2056843 is 3486502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2056843 - 2¹ = 2056841 is a prime.

Together with 2056841, it forms a pair of twin primes.

It is equal to p₁₅₂₈₄₈ and since 2056843 and 152848 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2056841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028421 + 1028422.

It is an arithmetic number, because the mean of its divisors is an integer number (1028422).

2^2056843 is an apocalyptic number.

2056843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056843 is an equidigital number, since it uses as much as digits as its factorization.

2056843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2056843 is about 1434.1697946896. The cubic root of 2056843 is about 127.1746001985.

The spelling of 2056843 in words is "two million, fifty-six thousand, eight hundred forty-three".