243053256 has 16 divisors (see below), whose sum is σ = 607633200. Its totient is φ = 81017744.

The previous prime is 243053231. The next prime is 243053257. The reversal of 243053256 is 652350342.

It is not an unprimeable number, because it can be changed into a prime (243053257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5063586 + ... + 5063633.

It is an arithmetic number, because the mean of its divisors is an integer number (37977075).

Almost surely, 2^243053256 is an apocalyptic number.

It is an amenable number.

243053256 is an abundant number, since it is smaller than the sum of its proper divisors (364579944).

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

243053256 is a wasteful number, since it uses less digits than its factorization.

243053256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127228 (or 10127224 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 243053256 is about 15590.1653615348. The cubic root of 243053256 is about 624.0707308055.

The spelling of 243053256 in words is "two hundred forty-three million, fifty-three thousand, two hundred fifty-six".