243741201 has 32 divisors (see below), whose sum is σ = 374630400. Its totient is φ = 139567680.

The previous prime is 243741193. The next prime is 243741217. The reversal of 243741201 is 102147342.

It is a happy number.

It is not a de Polignac number, because 243741201 - 2³ = 243741193 is a prime.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (243741241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42270 + ... + 47688.

It is an arithmetic number, because the mean of its divisors is an integer number (11707200).

Almost surely, 2^243741201 is an apocalyptic number.

It is an amenable number.

243741201 is a deficient number, since it is larger than the sum of its proper divisors (130889199).

243741201 is a wasteful number, since it uses less digits than its factorization.

243741201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5509.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 243741201 is about 15612.2131999278. The cubic root of 243741201 is about 624.6589721405.

Adding to 243741201 its reverse (102147342), we get a palindrome (345888543).

The spelling of 243741201 in words is "two hundred forty-three million, seven hundred forty-one thousand, two hundred one".