609173 has 2 divisors, whose sum is σ = 609174. Its totient is φ = 609172.

The previous prime is 609163. The next prime is 609179. The reversal of 609173 is 371906.

It is a happy number.

609173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 380689 + 228484 = 617^2 + 478^2 .

It is a cyclic number.

It is not a de Polignac number, because 609173 - 2¹⁶ = 543637 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 609173.

It is not a weakly prime, because it can be changed into another prime (609179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304586 + 304587.

It is an arithmetic number, because the mean of its divisors is an integer number (304587).

2⁶⁰⁹¹⁷³ is an apocalyptic number.

It is an amenable number.

609173 is a deficient number, since it is larger than the sum of its proper divisors (1).

609173 is an equidigital number, since it uses as much as digits as its factorization.

609173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 609173 is about 780.4953555275. The cubic root of 609173 is about 84.7709171808.

The spelling of 609173 in words is "six hundred nine thousand, one hundred seventy-three".