505373 has 4 divisors (see below), whose sum is σ = 551328. Its totient is φ = 459420.

The previous prime is 505369. The next prime is 505399. The reversal of 505373 is 373505.

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 505373 - 2² = 505369 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 (505313) 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, 22961 + ... + 22982.

It is an arithmetic number, because the mean of its divisors is an integer number (137832).

2⁵⁰⁵³⁷³ is an apocalyptic number.

It is an amenable number.

505373 is a deficient number, since it is larger than the sum of its proper divisors (45955).

505373 is a wasteful number, since it uses less digits than its factorization.

505373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45954.

The product of its (nonzero) digits is 1575, while the sum is 23.

The square root of 505373 is about 710.8959136189. The cubic root of 505373 is about 79.6533437881.

Adding to 505373 its reverse (373505), we get a palindrome (878878).

It can be divided in two parts, 505 and 373, that added together give a palindrome (878).

The spelling of 505373 in words is "five hundred five thousand, three hundred seventy-three".