2543012 has 12 divisors (see below), whose sum is σ = 4465356. Its totient is φ = 1267200.

The previous prime is 2542999. The next prime is 2543027. The reversal of 2543012 is 2103452.

2543012 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 649636 + 1893376 = 806^2 + 1376^2 .

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

It is an unprimeable number.

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, 512 + ... + 2312.

It is an arithmetic number, because the mean of its divisors is an integer number (372113).

2^2543012 is an apocalyptic number.

It is an amenable number.

2543012 is a deficient number, since it is larger than the sum of its proper divisors (1922344).

2543012 is a wasteful number, since it uses less digits than its factorization.

2543012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158 (or 2156 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2543012 is about 1594.6824135231. The cubic root of 2543012 is about 136.4948094293.

Adding to 2543012 its reverse (2103452), we get a palindrome (4646464).

The spelling of 2543012 in words is "two million, five hundred forty-three thousand, twelve".