2543232 has 64 divisors (see below), whose sum is σ = 6976800. Its totient is φ = 820224.

The previous prime is 2543221. The next prime is 2543237. The reversal of 2543232 is 2323452.

It is a tau number, because it is divible by the number of its divisors (64).

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

It is a junction number, because it is equal to n+sod(n) for n = 2543199 and 2543208.

It is not an unprimeable number, because it can be changed into a prime (2543237) 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, 14119 + ... + 14297.

2^2543232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2543232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3488400).

2543232 is an abundant number, since it is smaller than the sum of its proper divisors (4433568).

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

2543232 is a wasteful number, since it uses less digits than its factorization.

2543232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 221 counting only the distinct ones).

The product of its digits is 1440, while the sum is 21.

The square root of 2543232 is about 1594.7513912833. The cubic root of 2543232 is about 136.4987454433.

Adding to 2543232 its reverse (2323452), we get a palindrome (4866684).

It can be divided in two parts, 2543 and 232, that added together give a triangular number (2775 = T₇₄).

The spelling of 2543232 in words is "two million, five hundred forty-three thousand, two hundred thirty-two".