173263 has 2 divisors, whose sum is σ = 173264. Its totient is φ = 173262.

The previous prime is 173249. The next prime is 173267. The reversal of 173263 is 362371.

It is a strong prime.

It is an emirp because it is prime and its reverse (362371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 173263 - 2⁹ = 172751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86631 + 86632.

It is an arithmetic number, because the mean of its divisors is an integer number (86632).

2¹⁷³²⁶³ is an apocalyptic number.

173263 is a deficient number, since it is larger than the sum of its proper divisors (1).

173263 is an equidigital number, since it uses as much as digits as its factorization.

173263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 22.

The square root of 173263 is about 416.2487237218. The cubic root of 173263 is about 55.7487682971.

The spelling of 173263 in words is "one hundred seventy-three thousand, two hundred sixty-three".