2543732 has 12 divisors (see below), whose sum is σ = 4472580. Its totient is φ = 1265856.

The previous prime is 2543729. The next prime is 2543747. The reversal of 2543732 is 2373452.

It can be written as a sum of positive squares in 2 ways, for example, as 1449616 + 1094116 = 1204^2 + 1046^2 .

It is a d-powerful number, because it can be written as 2⁵ + 5⁹ + 4 + 3¹⁰ + 7² + 3¹² + 2⁵ .

It is a congruent number.

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, 473 + ... + 2304.

It is an arithmetic number, because the mean of its divisors is an integer number (372715).

2^2543732 is an apocalyptic number.

It is an amenable number.

2543732 is a deficient number, since it is larger than the sum of its proper divisors (1928848).

2543732 is a wasteful number, since it uses less digits than its factorization.

2543732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010 (or 3008 counting only the distinct ones).

The product of its digits is 5040, while the sum is 26.

The square root of 2543732 is about 1594.9081478254. The cubic root of 2543732 is about 136.5076900854.

The spelling of 2543732 in words is "two million, five hundred forty-three thousand, seven hundred thirty-two".