2564833 has 4 divisors (see below), whose sum is σ = 2568880. Its totient is φ = 2560788.

The previous prime is 2564831. The next prime is 2564843. The reversal of 2564833 is 3384652.

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 2564833 - 2¹ = 2564831 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 6 + 4⁸ + 8 + 3⁷ + 3⁹ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2564795 and 2564804.

It is not an unprimeable number, because it can be changed into a prime (2564831) 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, 843 + ... + 2416.

It is an arithmetic number, because the mean of its divisors is an integer number (642220).

2^2564833 is an apocalyptic number.

It is an amenable number.

2564833 is a deficient number, since it is larger than the sum of its proper divisors (4047).

2564833 is an equidigital number, since it uses as much as digits as its factorization.

2564833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046.

The product of its digits is 17280, while the sum is 31.

The square root of 2564833 is about 1601.5096003459. The cubic root of 2564833 is about 136.8841082184.

The spelling of 2564833 in words is "two million, five hundred sixty-four thousand, eight hundred thirty-three".