243125200 has 30 divisors (see below), whose sum is σ = 584109254. Its totient is φ = 97249920.

The previous prime is 243125189. The next prime is 243125209. The reversal of 243125200 is 2521342.

It can be written as a sum of positive squares in 3 ways, for example, as 33686416 + 209438784 = 5804^2 + 14472^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243125209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 303507 + ... + 304306.

Almost surely, 2^243125200 is an apocalyptic number.

243125200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243125200 is an abundant number, since it is smaller than the sum of its proper divisors (340984054).

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

243125200 is a wasteful number, since it uses less digits than its factorization.

243125200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607831 (or 607820 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 243125200 is about 15592.4725428650. The cubic root of 243125200 is about 624.1322999120.

Adding to 243125200 its reverse (2521342), we get a palindrome (245646542).

The spelling of 243125200 in words is "two hundred forty-three million, one hundred twenty-five thousand, two hundred".