243004552 has 16 divisors (see below), whose sum is σ = 520724160. Its totient is φ = 104144784.

The previous prime is 243004507. The next prime is 243004561. The reversal of 243004552 is 255400342.

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, 2169628 + ... + 2169739.

It is an arithmetic number, because the mean of its divisors is an integer number (32545260).

Almost surely, 2^243004552 is an apocalyptic number.

It is an amenable number.

243004552 is an abundant number, since it is smaller than the sum of its proper divisors (277719608).

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

243004552 is a wasteful number, since it uses less digits than its factorization.

243004552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339380 (or 4339376 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 243004552 is about 15588.6032729042. The cubic root of 243004552 is about 624.0290434104.

Adding to 243004552 its reverse (255400342), we get a palindrome (498404894).

The spelling of 243004552 in words is "two hundred forty-three million, four thousand, five hundred fifty-two".