243288001 has 8 divisors (see below), whose sum is σ = 265569408. Its totient is φ = 221034000.

The previous prime is 243287999. The next prime is 243288007. The reversal of 243288001 is 100882342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243288001 - 2¹ = 243287999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243288007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14671 + ... + 26491.

It is an arithmetic number, because the mean of its divisors is an integer number (33196176).

Almost surely, 2^243288001 is an apocalyptic number.

243288001 is the 6976-th centered decagonal number.

It is an amenable number.

243288001 is a deficient number, since it is larger than the sum of its proper divisors (22281407).

243288001 is a wasteful number, since it uses less digits than its factorization.

243288001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13703.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 243288001 is about 15597.6921690358. The cubic root of 243288001 is about 624.2715788941.

The spelling of 243288001 in words is "two hundred forty-three million, two hundred eighty-eight thousand, one".