173063573 has 2 divisors, whose sum is σ = 173063574. Its totient is φ = 173063572.

The previous prime is 173063537. The next prime is 173063593. The reversal of 173063573 is 375360371.

173063573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (173063537) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142515844 + 30547729 = 11938^2 + 5527^2 .

It is a cyclic number.

It is not a de Polignac number, because 173063573 - 2¹⁶ = 172998037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173063593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86531786 + 86531787.

It is an arithmetic number, because the mean of its divisors is an integer number (86531787).

Almost surely, 2^173063573 is an apocalyptic number.

It is an amenable number.

173063573 is a deficient number, since it is larger than the sum of its proper divisors (1).

173063573 is an equidigital number, since it uses as much as digits as its factorization.

173063573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 35.

The square root of 173063573 is about 13155.3628988333. The cubic root of 173063573 is about 557.2737100339.

The spelling of 173063573 in words is "one hundred seventy-three million, sixty-three thousand, five hundred seventy-three".