2543524 has 12 divisors (see below), whose sum is σ = 4644864. Its totient is φ = 1216424.

The previous prime is 2543509. The next prime is 2543537. The reversal of 2543524 is 4253452.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13732 + ... + 13915.

It is an arithmetic number, because the mean of its divisors is an integer number (387072).

2^2543524 is an apocalyptic number.

It is an amenable number.

2543524 is a deficient number, since it is larger than the sum of its proper divisors (2101340).

2543524 is a wasteful number, since it uses less digits than its factorization.

2543524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27674 (or 27672 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 2543524 is about 1594.8429389755. The cubic root of 2543524 is about 136.5039692567.

Adding to 2543524 its reverse (4253452), we get a palindrome (6796976).

The spelling of 2543524 in words is "two million, five hundred forty-three thousand, five hundred twenty-four".