2743265 has 12 divisors (see below), whose sum is σ = 3829716. Its totient is φ = 1880928.

The previous prime is 2743259. The next prime is 2743289. The reversal of 2743265 is 5623472.

It can be written as a sum of positive squares in 2 ways, for example, as 802816 + 1940449 = 896^2 + 1393^2 .

It is not a de Polignac number, because 2743265 - 2¹⁰ = 2742241 is a prime.

It is a super-3 number, since 3×2743265³ = 61933345811565403875, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2³ + 7⁴ + 4⁹ + 3 + 2¹⁹ + 6⁴ + 5⁹ .

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5354 + ... + 5843.

It is an arithmetic number, because the mean of its divisors is an integer number (319143).

2^2743265 is an apocalyptic number.

It is an amenable number.

2743265 is a deficient number, since it is larger than the sum of its proper divisors (1086451).

2743265 is a wasteful number, since it uses less digits than its factorization.

2743265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11216 (or 11209 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 2743265 is about 1656.2804714178. The cubic root of 2743265 is about 139.9874988838.

The spelling of 2743265 in words is "two million, seven hundred forty-three thousand, two hundred sixty-five".