2104259 has 4 divisors (see below), whose sum is σ = 2144016. Its totient is φ = 2064504.

The previous prime is 2104241. The next prime is 2104261. The reversal of 2104259 is 9524012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19799 + ... + 19904.

It is an arithmetic number, because the mean of its divisors is an integer number (536004).

2^2104259 is an apocalyptic number.

2104259 is a deficient number, since it is larger than the sum of its proper divisors (39757).

2104259 is an equidigital number, since it uses as much as digits as its factorization.

2104259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39756.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2104259 is about 1450.6064249134. The cubic root of 2104259 is about 128.1444292566.

The spelling of 2104259 in words is "two million, one hundred four thousand, two hundred fifty-nine".