2643055 has 4 divisors (see below), whose sum is σ = 3171672. Its totient is φ = 2114440.

The previous prime is 2643037. The next prime is 2643059. The reversal of 2643055 is 5503462.

2643055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2643055 - 2⁹ = 2642543 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 (2643059) 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 3 ways as a sum of consecutive naturals, for example, 264301 + ... + 264310.

It is an arithmetic number, because the mean of its divisors is an integer number (792918).

2^2643055 is an apocalyptic number.

2643055 is a deficient number, since it is larger than the sum of its proper divisors (528617).

2643055 is an equidigital number, since it uses as much as digits as its factorization.

2643055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528616.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2643055 is about 1625.7475203733. The cubic root of 2643055 is about 138.2617555216.

The spelling of 2643055 in words is "two million, six hundred forty-three thousand, fifty-five".