2655743 has 4 divisors (see below), whose sum is σ = 2689440. Its totient is φ = 2622048.

The previous prime is 2655727. The next prime is 2655761. The reversal of 2655743 is 3475562.

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 2655743 - 2⁴ = 2655727 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16730 + ... + 16887.

It is an arithmetic number, because the mean of its divisors is an integer number (672360).

2^2655743 is an apocalyptic number.

2655743 is a deficient number, since it is larger than the sum of its proper divisors (33697).

2655743 is an equidigital number, since it uses as much as digits as its factorization.

2655743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33696.

The product of its digits is 25200, while the sum is 32.

The square root of 2655743 is about 1629.6450533782. The cubic root of 2655743 is about 138.4826445429.

The spelling of 2655743 in words is "two million, six hundred fifty-five thousand, seven hundred forty-three".