2560443 has 4 divisors (see below), whose sum is σ = 3413928. Its totient is φ = 1706960.

The previous prime is 2560433. The next prime is 2560457. The reversal of 2560443 is 3440652.

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

It is a cyclic number.

It is not a de Polignac number, because 2560443 - 2⁴ = 2560427 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2560433) 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, 426738 + ... + 426743.

It is an arithmetic number, because the mean of its divisors is an integer number (853482).

2^2560443 is an apocalyptic number.

2560443 is a deficient number, since it is larger than the sum of its proper divisors (853485).

2560443 is an equidigital number, since it uses as much as digits as its factorization.

2560443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853484.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2560443 is about 1600.1384315115. The cubic root of 2560443 is about 136.8059661055.

It can be divided in two parts, 2560 and 443, that added together give a palindrome (3003).

The spelling of 2560443 in words is "two million, five hundred sixty thousand, four hundred forty-three".