243225203 has 8 divisors (see below), whose sum is σ = 262444896. Its totient is φ = 224078400.

The previous prime is 243225187. The next prime is 243225217. The reversal of 243225203 is 302522342.

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

It is not a de Polignac number, because 243225203 - 2⁴ = 243225187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243225263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11183 + ... + 24728.

It is an arithmetic number, because the mean of its divisors is an integer number (32805612).

Almost surely, 2^243225203 is an apocalyptic number.

243225203 is a deficient number, since it is larger than the sum of its proper divisors (19219693).

243225203 is a wasteful number, since it uses less digits than its factorization.

243225203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36445.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 243225203 is about 15595.6789848983. The cubic root of 243225203 is about 624.2178615167.

Adding to 243225203 its reverse (302522342), we get a palindrome (545747545).

The spelling of 243225203 in words is "two hundred forty-three million, two hundred twenty-five thousand, two hundred three".