243503052 has 48 divisors (see below), whose sum is σ = 624916992. Its totient is φ = 73327680.

The previous prime is 243503017. The next prime is 243503063. The reversal of 243503052 is 250305342.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9274 + ... + 23937.

It is an arithmetic number, because the mean of its divisors is an integer number (13019104).

Almost surely, 2^243503052 is an apocalyptic number.

It is an amenable number.

243503052 is an abundant number, since it is smaller than the sum of its proper divisors (381413940).

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

243503052 is a wasteful number, since it uses less digits than its factorization.

243503052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33278 (or 33276 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 243503052 is about 15604.5843264087. The cubic root of 243503052 is about 624.4554634123.

Adding to 243503052 its reverse (250305342), we get a palindrome (493808394).

The spelling of 243503052 in words is "two hundred forty-three million, five hundred three thousand, fifty-two".