2643255 has 24 divisors (see below), whose sum is σ = 4623840. Its totient is φ = 1396800.

The previous prime is 2643247. The next prime is 2643283. The reversal of 2643255 is 5523462.

2643255 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 2643255 - 2³ = 2643247 is a prime.

It is a d-powerful number, because it can be written as 2⁸ + 6 + 4³ + 3¹³ + 2²⁰ + 5 + 5² .

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6601 + ... + 6989.

It is an arithmetic number, because the mean of its divisors is an integer number (192660).

2^2643255 is an apocalyptic number.

2643255 is a deficient number, since it is larger than the sum of its proper divisors (1980585).

2643255 is a wasteful number, since it uses less digits than its factorization.

2643255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 548 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 2643255 is about 1625.8090293758. The cubic root of 2643255 is about 138.2652428565.

The spelling of 2643255 in words is "two million, six hundred forty-three thousand, two hundred fifty-five".