2543312 has 20 divisors (see below), whose sum is σ = 5049156. Its totient is φ = 1240320.

The previous prime is 2543309. The next prime is 2543323. The reversal of 2543312 is 2133452.

It is a happy number.

2543312 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 341056 + 2202256 = 584^2 + 1484^2 .

It is a d-powerful number, because it can be written as 2⁵ + 5⁹ + 4⁴ + 3⁸ + 3¹⁰ + 1 + 2¹⁹ .

It is a congruent number.

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, 1283 + ... + 2594.

2^2543312 is an apocalyptic number.

It is an amenable number.

2543312 is a deficient number, since it is larger than the sum of its proper divisors (2505844).

2543312 is a wasteful number, since it uses less digits than its factorization.

2543312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926 (or 3920 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 2543312 is about 1594.7764733655. The cubic root of 2543312 is about 136.5001766648.

Adding to 2543312 its reverse (2133452), we get a palindrome (4676764).

The spelling of 2543312 in words is "two million, five hundred forty-three thousand, three hundred twelve".