506203273 has 4 divisors (see below), whose sum is σ = 506384788. Its totient is φ = 506021760.

The previous prime is 506203259. The next prime is 506203277. The reversal of 506203273 is 372302605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 372302605 = 5 ⋅74460521.

It can be written as a sum of positive squares in 2 ways, for example, as 332807049 + 173396224 = 18243^2 + 13168^2 .

It is a cyclic number.

It is not a de Polignac number, because 506203273 - 2⁵ = 506203241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506203277) 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, 86508 + ... + 92173.

It is an arithmetic number, because the mean of its divisors is an integer number (126596197).

Almost surely, 2^506203273 is an apocalyptic number.

It is an amenable number.

506203273 is a deficient number, since it is larger than the sum of its proper divisors (181515).

506203273 is a wasteful number, since it uses less digits than its factorization.

506203273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181514.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 506203273 is about 22498.9615982605. The cubic root of 506203273 is about 796.9694052204.

Adding to 506203273 its reverse (372302605), we get a palindrome (878505878).

The spelling of 506203273 in words is "five hundred six million, two hundred three thousand, two hundred seventy-three".