2726565 has 16 divisors (see below), whose sum is σ = 4429248. Its totient is φ = 1431936.

The previous prime is 2726561. The next prime is 2726569. The reversal of 2726565 is 5656272.

2726565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2726561) and next prime (2726569).

It is not a de Polignac number, because 2726565 - 2² = 2726561 is a prime.

2726565 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2726561) 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 15 ways as a sum of consecutive naturals, for example, 352 + ... + 2361.

It is an arithmetic number, because the mean of its divisors is an integer number (276828).

2^2726565 is an apocalyptic number.

It is an amenable number.

2726565 is a deficient number, since it is larger than the sum of its proper divisors (1702683).

2726565 is a wasteful number, since it uses less digits than its factorization.

2726565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788.

The product of its digits is 25200, while the sum is 33.

The square root of 2726565 is about 1651.2313587139. The cubic root of 2726565 is about 139.7028561661.

The spelling of 2726565 in words is "two million, seven hundred twenty-six thousand, five hundred sixty-five".