2056081 has 2 divisors, whose sum is σ = 2056082. Its totient is φ = 2056080.

The previous prime is 2056079. The next prime is 2056111. The reversal of 2056081 is 1806502.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1915456 + 140625 = 1384^2 + 375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056081 - 2¹ = 2056079 is a prime.

It is a super-2 number, since 2×2056081² = 8454938157122, which contains 22 as substring.

Together with 2056079, it forms a pair of twin primes.

It is a Chen prime.

2056081 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2056001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028040 + 1028041.

It is an arithmetic number, because the mean of its divisors is an integer number (1028041).

2^2056081 is an apocalyptic number.

It is an amenable number.

2056081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056081 is an equidigital number, since it uses as much as digits as its factorization.

2056081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2056081 is about 1433.9041111595. The cubic root of 2056081 is about 127.1588934390.

The spelling of 2056081 in words is "two million, fifty-six thousand, eighty-one".