173225263 has 2 divisors, whose sum is σ = 173225264. Its totient is φ = 173225262.

The previous prime is 173225203. The next prime is 173225267. The reversal of 173225263 is 362522371.

It is a strong prime.

It is an emirp because it is prime and its reverse (362522371) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173225263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173225267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86612631 + 86612632.

It is an arithmetic number, because the mean of its divisors is an integer number (86612632).

Almost surely, 2^173225263 is an apocalyptic number.

173225263 is a deficient number, since it is larger than the sum of its proper divisors (1).

173225263 is an equidigital number, since it uses as much as digits as its factorization.

173225263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 173225263 is about 13161.5068666168. The cubic root of 173225263 is about 557.4472060848.

The spelling of 173225263 in words is "one hundred seventy-three million, two hundred twenty-five thousand, two hundred sixty-three".