243014201 has 4 divisors (see below), whose sum is σ = 257309172. Its totient is φ = 228719232.

The previous prime is 243014173. The next prime is 243014203. The reversal of 243014201 is 102410342.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 200958976 + 42055225 = 14176^2 + 6485^2 .

It is a cyclic number.

It is not a de Polignac number, because 243014201 - 2¹⁴ = 242997817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 14294953 = 243014201 / (2 + 4 + 3 + 0 + 1 + 4 + 2 + 0 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243014201.

It is not an unprimeable number, because it can be changed into a prime (243014203) 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, 7147460 + ... + 7147493.

It is an arithmetic number, because the mean of its divisors is an integer number (64327293).

Almost surely, 2^243014201 is an apocalyptic number.

It is an amenable number.

243014201 is a deficient number, since it is larger than the sum of its proper divisors (14294971).

243014201 is a wasteful number, since it uses less digits than its factorization.

243014201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14294970.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 243014201 is about 15588.9127587526. The cubic root of 243014201 is about 624.0373027571.

Adding to 243014201 its reverse (102410342), we get a palindrome (345424543).

The spelling of 243014201 in words is "two hundred forty-three million, fourteen thousand, two hundred one".