243532 has 12 divisors (see below), whose sum is σ = 430920. Its totient is φ = 120416.

The previous prime is 243527. The next prime is 243533. The reversal of 243532 is 235342.

It is a super-3 number, since 3×243532³ = 43330067037194304, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243533) by changing a digit.

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, 144 + ... + 712.

It is an arithmetic number, because the mean of its divisors is an integer number (35910).

2²⁴³⁵³² is an apocalyptic number.

It is an amenable number.

243532 is a deficient number, since it is larger than the sum of its proper divisors (187388).

243532 is a wasteful number, since it uses less digits than its factorization.

243532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 678 counting only the distinct ones).

The product of its digits is 720, while the sum is 19.

The square root of 243532 is about 493.4896148857. The cubic root of 243532 is about 62.4480207826.

Adding to 243532 its reverse (235342), we get a palindrome (478874).

It can be divided in two parts, 2 and 43532, that added together give a palindrome (43534).

The spelling of 243532 in words is "two hundred forty-three thousand, five hundred thirty-two".