243516201 has 8 divisors (see below), whose sum is σ = 324774240. Its totient is φ = 162301152.

The previous prime is 243516197. The next prime is 243516241. The reversal of 243516201 is 102615342.

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

It is not a de Polignac number, because 243516201 - 2² = 243516197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243516241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6366 + ... + 22968.

It is an arithmetic number, because the mean of its divisors is an integer number (40596780).

Almost surely, 2^243516201 is an apocalyptic number.

It is an amenable number.

243516201 is a deficient number, since it is larger than the sum of its proper divisors (81258039).

243516201 is a wasteful number, since it uses less digits than its factorization.

243516201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21495.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 243516201 is about 15605.0056392172. The cubic root of 243516201 is about 624.4667032674.

The spelling of 243516201 in words is "two hundred forty-three million, five hundred sixteen thousand, two hundred one".