2005459 has 2 divisors, whose sum is σ = 2005460. Its totient is φ = 2005458.

The previous prime is 2005453. The next prime is 2005489. The reversal of 2005459 is 9545002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2005459 - 2⁵ = 2005427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2005453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002729 + 1002730.

It is an arithmetic number, because the mean of its divisors is an integer number (1002730).

2^2005459 is an apocalyptic number.

2005459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005459 is an equidigital number, since it uses as much as digits as its factorization.

2005459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2005459 is about 1416.1422951102. The cubic root of 2005459 is about 126.1066326684.

The spelling of 2005459 in words is "two million, five thousand, four hundred fifty-nine".