506267317 has 4 divisors (see below), whose sum is σ = 509064556. Its totient is φ = 503470080.

The previous prime is 506267299. The next prime is 506267323. The reversal of 506267317 is 713762605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 713762605 = 5 ⋅142752521.

It can be written as a sum of positive squares in 2 ways, for example, as 32160241 + 474107076 = 5671^2 + 21774^2 .

It is a cyclic number.

It is not a de Polignac number, because 506267317 - 2¹⁵ = 506234549 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 (506267387) 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, 1398348 + ... + 1398709.

It is an arithmetic number, because the mean of its divisors is an integer number (127266139).

Almost surely, 2^506267317 is an apocalyptic number.

It is an amenable number.

506267317 is a deficient number, since it is larger than the sum of its proper divisors (2797239).

506267317 is a wasteful number, since it uses less digits than its factorization.

506267317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797238.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 506267317 is about 22500.3848189314. The cubic root of 506267317 is about 797.0030142196.

The spelling of 506267317 in words is "five hundred six million, two hundred sixty-seven thousand, three hundred seventeen".