2056459 has 2 divisors, whose sum is σ = 2056460. Its totient is φ = 2056458.

The previous prime is 2056441. The next prime is 2056463. The reversal of 2056459 is 9546502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2056459 - 2¹⁷ = 1925387 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 0 + 5⁷ + 6³ + 4⁷ + 5⁹ + 9⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 2056459.

It is not a weakly prime, because it can be changed into another prime (2056409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028229 + 1028230.

It is an arithmetic number, because the mean of its divisors is an integer number (1028230).

2^2056459 is an apocalyptic number.

2056459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056459 is an equidigital number, since it uses as much as digits as its factorization.

2056459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2056459 is about 1434.0359130789. The cubic root of 2056459 is about 127.1666854661.

The spelling of 2056459 in words is "two million, fifty-six thousand, four hundred fifty-nine".