495609173 has 2 divisors, whose sum is σ = 495609174. Its totient is φ = 495609172.

The previous prime is 495609151. The next prime is 495609187. The reversal of 495609173 is 371906594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403487569 + 92121604 = 20087^2 + 9598^2 .

It is a cyclic number.

It is not a de Polignac number, because 495609173 - 2¹⁰ = 495608149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495609113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247804586 + 247804587.

It is an arithmetic number, because the mean of its divisors is an integer number (247804587).

Almost surely, 2^495609173 is an apocalyptic number.

It is an amenable number.

495609173 is a deficient number, since it is larger than the sum of its proper divisors (1).

495609173 is an equidigital number, since it uses as much as digits as its factorization.

495609173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 495609173 is about 22262.2813970177. The cubic root of 495609173 is about 791.3703572363.

The spelling of 495609173 in words is "four hundred ninety-five million, six hundred nine thousand, one hundred seventy-three".