2005259 has 4 divisors (see below), whose sum is σ = 2027880. Its totient is φ = 1982640.

The previous prime is 2005249. The next prime is 2005261. The reversal of 2005259 is 9525002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9525002 = 2 ⋅4762501.

It is a cyclic number.

It is not a de Polignac number, because 2005259 - 2¹² = 2001163 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005229) 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 in 3 ways as a sum of consecutive naturals, for example, 11177 + ... + 11354.

It is an arithmetic number, because the mean of its divisors is an integer number (506970).

2^2005259 is an apocalyptic number.

2005259 is a deficient number, since it is larger than the sum of its proper divisors (22621).

2005259 is an equidigital number, since it uses as much as digits as its factorization.

2005259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22620.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2005259 is about 1416.0716789767. The cubic root of 2005259 is about 126.1024404169.

The spelling of 2005259 in words is "two million, five thousand, two hundred fifty-nine".