205373 has 4 divisors (see below), whose sum is σ = 234720. Its totient is φ = 176028.

The previous prime is 205357. The next prime is 205391. The reversal of 205373 is 373502.

205373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 205373 - 2⁴ = 205357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225373) 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, 14663 + ... + 14676.

It is an arithmetic number, because the mean of its divisors is an integer number (58680).

2²⁰⁵³⁷³ is an apocalyptic number.

It is an amenable number.

205373 is a deficient number, since it is larger than the sum of its proper divisors (29347).

205373 is an equidigital number, since it uses as much as digits as its factorization.

205373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29346.

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 205373 is about 453.1809793008. The cubic root of 205373 is about 58.9994254469. Note that the first 3 decimals are identical.

Adding to 205373 its reverse (373502), we get a palindrome (578875).

The spelling of 205373 in words is "two hundred five thousand, three hundred seventy-three".