2560869 has 8 divisors (see below), whose sum is σ = 3793920. Its totient is φ = 1707228.

The previous prime is 2560849. The next prime is 2560871. The reversal of 2560869 is 9680652.

2560869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2560869 - 2⁵ = 2560837 is a prime.

It is a super-2 number, since 2×2560869² = 13116100070322, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560849) 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 7 ways as a sum of consecutive naturals, for example, 47397 + ... + 47450.

It is an arithmetic number, because the mean of its divisors is an integer number (474240).

2^2560869 is an apocalyptic number.

It is an amenable number.

2560869 is a deficient number, since it is larger than the sum of its proper divisors (1233051).

2560869 is an equidigital number, since it uses as much as digits as its factorization.

2560869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94856 (or 94850 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2560869 is about 1600.2715394582. The cubic root of 2560869 is about 136.8135528278.

The spelling of 2560869 in words is "two million, five hundred sixty thousand, eight hundred sixty-nine".