2543056 has 10 divisors (see below), whose sum is σ = 4927202. Its totient is φ = 1271520.

The previous prime is 2543033. The next prime is 2543059. The reversal of 2543056 is 6503452.

2543056 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 only one way, i.e., 2496400 + 46656 = 1580^2 + 216^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2543056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543059) 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 as a sum of consecutive naturals, namely, 79455 + ... + 79486.

2^2543056 is an apocalyptic number.

It is an amenable number.

2543056 is a deficient number, since it is larger than the sum of its proper divisors (2384146).

2543056 is a wasteful number, since it uses less digits than its factorization.

2543056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158949 (or 158943 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2543056 is about 1594.6962093139. The cubic root of 2543056 is about 136.4955966503.

The spelling of 2543056 in words is "two million, five hundred forty-three thousand, fifty-six".