2742265 has 4 divisors (see below), whose sum is σ = 3290724. Its totient is φ = 2193808.

The previous prime is 2742263. The next prime is 2742277. The reversal of 2742265 is 5622472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 480249 + 2262016 = 693^2 + 1504^2 .

It is a cyclic number.

It is not a de Polignac number, because 2742265 - 2¹ = 2742263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2742263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274222 + ... + 274231.

It is an arithmetic number, because the mean of its divisors is an integer number (822681).

2^2742265 is an apocalyptic number.

It is an amenable number.

2742265 is a deficient number, since it is larger than the sum of its proper divisors (548459).

2742265 is an equidigital number, since it uses as much as digits as its factorization.

2742265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548458.

The product of its digits is 6720, while the sum is 28.

The square root of 2742265 is about 1655.9785626632. The cubic root of 2742265 is about 139.9704869762.

The spelling of 2742265 in words is "two million, seven hundred forty-two thousand, two hundred sixty-five".