243205352 has 32 divisors (see below), whose sum is σ = 493459680. Its totient is φ = 111706560.

The previous prime is 243205343. The next prime is 243205357. The reversal of 243205352 is 253502342.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (243205357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16403 + ... + 27485.

It is an arithmetic number, because the mean of its divisors is an integer number (15420615).

Almost surely, 2^243205352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243205352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246729840).

243205352 is an abundant number, since it is smaller than the sum of its proper divisors (250254328).

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

243205352 is a wasteful number, since it uses less digits than its factorization.

243205352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11313 (or 11309 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 243205352 is about 15595.0425456297. The cubic root of 243205352 is about 624.2008790580.

Adding to 243205352 its reverse (253502342), we get a palindrome (496707694).

The spelling of 243205352 in words is "two hundred forty-three million, two hundred five thousand, three hundred fifty-two".