63173 has 4 divisors (see below), whose sum is σ = 68928. Its totient is φ = 57420.

The previous prime is 63149. The next prime is 63179. The reversal of 63173 is 37136.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 63173 - 2¹² = 59077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2861 + ... + 2882.

It is an arithmetic number, because the mean of its divisors is an integer number (17232).

2⁶³¹⁷³ is an apocalyptic number.

It is an amenable number.

63173 is a deficient number, since it is larger than the sum of its proper divisors (5755).

63173 is a wasteful number, since it uses less digits than its factorization.

63173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5754.

The product of its digits is 378, while the sum is 20.

The square root of 63173 is about 251.3423959462. The cubic root of 63173 is about 39.8269608491.

The spelling of 63173 in words is "sixty-three thousand, one hundred seventy-three".