532543240 has 32 divisors (see below), whose sum is σ = 1239543000. Its totient is φ = 205671424.

The previous prime is 532543223. The next prime is 532543247. The reversal of 532543240 is 42345235.

It can be written as a sum of positive squares in 4 ways, for example, as 416894724 + 115648516 = 20418^2 + 10754^2 .

It is a junction number, because it is equal to n+sod(n) for n = 532543199 and 532543208.

It is not an unprimeable number, because it can be changed into a prime (532543247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228385 + ... + 230704.

Almost surely, 2^532543240 is an apocalyptic number.

It is an amenable number.

532543240 is an abundant number, since it is smaller than the sum of its proper divisors (706999760).

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

532543240 is a wasteful number, since it uses less digits than its factorization.

532543240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459129 (or 459125 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 532543240 is about 23076.8984051150. The cubic root of 532543240 is about 810.5596092262.

Adding to 532543240 its reverse (42345235), we get a palindrome (574888475).

The spelling of 532543240 in words is "five hundred thirty-two million, five hundred forty-three thousand, two hundred forty".