195673 has 4 divisors (see below), whose sum is σ = 196560. Its totient is φ = 194788.

The previous prime is 195659. The next prime is 195677. The reversal of 195673 is 376591.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 376591 = 359 ⋅1049.

It is a cyclic number.

It is not a de Polignac number, because 195673 - 2⁹ = 195161 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186 + ... + 652.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2¹⁹⁵⁶⁷³ is an apocalyptic number.

It is an amenable number.

195673 is a deficient number, since it is larger than the sum of its proper divisors (887).

195673 is an equidigital number, since it uses as much as digits as its factorization.

195673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886.

The product of its digits is 5670, while the sum is 31.

The square root of 195673 is about 442.3494094039. The cubic root of 195673 is about 58.0555353925.

It can be divided in two parts, 195 and 673, that added together give a palindrome (868).

The spelling of 195673 in words is "one hundred ninety-five thousand, six hundred seventy-three".