2566833 has 8 divisors (see below), whose sum is σ = 3432000. Its totient is φ = 1706448.

The previous prime is 2566829. The next prime is 2566859. The reversal of 2566833 is 3386652.

2566833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2566833 - 2² = 2566829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2566794 and 2566803.

It is not an unprimeable number, because it can be changed into a prime (2566433) 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, 343 + ... + 2291.

It is an arithmetic number, because the mean of its divisors is an integer number (429000).

2^2566833 is an apocalyptic number.

It is an amenable number.

2566833 is a deficient number, since it is larger than the sum of its proper divisors (865167).

2566833 is a wasteful number, since it uses less digits than its factorization.

2566833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391.

The product of its digits is 25920, while the sum is 33.

The square root of 2566833 is about 1602.1338895361. The cubic root of 2566833 is about 136.9196787069.

It can be divided in two parts, 256683 and 3, that added together give a triangular number (256686 = T₇₁₆).

The spelling of 2566833 in words is "two million, five hundred sixty-six thousand, eight hundred thirty-three".