2543412 has 24 divisors (see below), whose sum is σ = 5972512. Its totient is φ = 842400.

The previous prime is 2543399. The next prime is 2543413. The reversal of 2543412 is 2143452.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1587 + ... + 2757.

2^2543412 is an apocalyptic number.

It is an amenable number.

2543412 is an abundant number, since it is smaller than the sum of its proper divisors (3429100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2543412 is a wasteful number, since it uses less digits than its factorization.

2543412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359 (or 1357 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 2543412 is about 1594.8078254135. The cubic root of 2543412 is about 136.5019656495.

Subtracting from 2543412 its product of digits (960), we obtain a palindrome (2542452).

Adding to 2543412 its reverse (2143452), we get a palindrome (4686864).

The spelling of 2543412 in words is "two million, five hundred forty-three thousand, four hundred twelve".