2745256 has 16 divisors (see below), whose sum is σ = 5325300. Its totient is φ = 1325184.

The previous prime is 2745251. The next prime is 2745263. The reversal of 2745256 is 6525472.

2745256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2528100 + 217156 = 1590^2 + 466^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2745251) 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 3 ways as a sum of consecutive naturals, for example, 5685 + ... + 6148.

2^2745256 is an apocalyptic number.

It is an amenable number.

2745256 is a deficient number, since it is larger than the sum of its proper divisors (2580044).

2745256 is a wasteful number, since it uses less digits than its factorization.

2745256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11868 (or 11864 counting only the distinct ones).

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

The square root of 2745256 is about 1656.8814079469. The cubic root of 2745256 is about 140.0213572860.

The spelling of 2745256 in words is "two million, seven hundred forty-five thousand, two hundred fifty-six".