506163 has 8 divisors (see below), whose sum is σ = 771328. Its totient is φ = 289224.

The previous prime is 506147. The next prime is 506171. The reversal of 506163 is 361605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 506163 - 2⁴ = 506147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 24103 = 506163 / (5 + 0 + 6 + 1 + 6 + 3).

It is a Duffinian number.

506163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (506113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12031 + ... + 12072.

It is an arithmetic number, because the mean of its divisors is an integer number (96416).

2⁵⁰⁶¹⁶³ is an apocalyptic number.

506163 is a deficient number, since it is larger than the sum of its proper divisors (265165).

506163 is a wasteful number, since it uses less digits than its factorization.

506163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24113.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 506163 is about 711.4513335429. The cubic root of 506163 is about 79.6948269311.

Adding to 506163 its reverse (361605), we get a palindrome (867768).

The spelling of 506163 in words is "five hundred six thousand, one hundred sixty-three".