173225203 has 2 divisors, whose sum is σ = 173225204. Its totient is φ = 173225202.

The previous prime is 173225191. The next prime is 173225263. The reversal of 173225203 is 302522371.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173225203 is a prime.

It is not a weakly prime, because it can be changed into another prime (173225263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86612601 + 86612602.

It is an arithmetic number, because the mean of its divisors is an integer number (86612602).

Almost surely, 2^173225203 is an apocalyptic number.

173225203 is a deficient number, since it is larger than the sum of its proper divisors (1).

173225203 is an equidigital number, since it uses as much as digits as its factorization.

173225203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 173225203 is about 13161.5045872423. The cubic root of 173225203 is about 557.4471417238.

Adding to 173225203 its reverse (302522371), we get a palindrome (475747574).

The spelling of 173225203 in words is "one hundred seventy-three million, two hundred twenty-five thousand, two hundred three".