2742565 has 16 divisors (see below), whose sum is σ = 3796992. Its totient is φ = 1862784.

The previous prime is 2742563. The next prime is 2742587. The reversal of 2742565 is 5652472.

2742565 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 2742565 - 2¹ = 2742563 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 (2742563) 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, 4137 + ... + 4753.

It is an arithmetic number, because the mean of its divisors is an integer number (237312).

2^2742565 is an apocalyptic number.

It is an amenable number.

2742565 is a deficient number, since it is larger than the sum of its proper divisors (1054427).

2742565 is a wasteful number, since it uses less digits than its factorization.

2742565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756.

The product of its digits is 16800, while the sum is 31.

The square root of 2742565 is about 1656.0691410687. The cubic root of 2742565 is about 139.9755909826.

The spelling of 2742565 in words is "two million, seven hundred forty-two thousand, five hundred sixty-five".