243325056 has 128 divisors (see below), whose sum is σ = 706003200. Its totient is φ = 73801728.

The previous prime is 243325013. The next prime is 243325057. The reversal of 243325056 is 650523342.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243325057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394060 + ... + 394676.

It is an arithmetic number, because the mean of its divisors is an integer number (5515650).

Almost surely, 2^243325056 is an apocalyptic number.

243325056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243325056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353001600).

243325056 is an abundant number, since it is smaller than the sum of its proper divisors (462678144).

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

243325056 is a wasteful number, since it uses less digits than its factorization.

243325056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 714 counting only the distinct ones).

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

The square root of 243325056 is about 15598.8799597920. The cubic root of 243325056 is about 624.3032713861.

Adding to 243325056 its reverse (650523342), we get a palindrome (893848398).

The spelling of 243325056 in words is "two hundred forty-three million, three hundred twenty-five thousand, fifty-six".