2559109 has 4 divisors (see below), whose sum is σ = 2924704. Its totient is φ = 2193516.

The previous prime is 2559101. The next prime is 2559121. The reversal of 2559109 is 9019552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2559109 - 2³ = 2559101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2559101) 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, 182787 + ... + 182800.

It is an arithmetic number, because the mean of its divisors is an integer number (731176).

2^2559109 is an apocalyptic number.

It is an amenable number.

2559109 is a deficient number, since it is larger than the sum of its proper divisors (365595).

2559109 is an equidigital number, since it uses as much as digits as its factorization.

2559109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365594.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 2559109 is about 1599.7215382685. The cubic root of 2559109 is about 136.7822031783.

The spelling of 2559109 in words is "two million, five hundred fifty-nine thousand, one hundred nine".