506383 has 4 divisors (see below), whose sum is σ = 512568. Its totient is φ = 500200.

The previous prime is 506381. The next prime is 506393. The reversal of 506383 is 383605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 506383 - 2¹ = 506381 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 (506381) 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, 2968 + ... + 3133.

It is an arithmetic number, because the mean of its divisors is an integer number (128142).

2⁵⁰⁶³⁸³ is an apocalyptic number.

506383 is a deficient number, since it is larger than the sum of its proper divisors (6185).

506383 is an equidigital number, since it uses as much as digits as its factorization.

506383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 506383 is about 711.6059302732. The cubic root of 506383 is about 79.7063715141.

Adding to 506383 its reverse (383605), we get a palindrome (889988).

The spelling of 506383 in words is "five hundred six thousand, three hundred eighty-three".