813601173 has 16 divisors (see below), whose sum is σ = 1352480256. Its totient is φ = 422649840.

The previous prime is 813601163. The next prime is 813601219. The reversal of 813601173 is 371106318.

813601173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 813601173 - 2⁸ = 813600917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 813601173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813601123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1760811 + ... + 1761272.

It is an arithmetic number, because the mean of its divisors is an integer number (84530016).

Almost surely, 2^813601173 is an apocalyptic number.

It is an amenable number.

813601173 is a deficient number, since it is larger than the sum of its proper divisors (538879083).

813601173 is a wasteful number, since it uses less digits than its factorization.

813601173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522104.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 813601173 is about 28523.6949394709. The cubic root of 813601173 is about 933.5491517781.

The spelling of 813601173 in words is "eight hundred thirteen million, six hundred one thousand, one hundred seventy-three".