506853217 has 8 divisors (see below), whose sum is σ = 557456256. Its totient is φ = 457909392.

The previous prime is 506853077. The next prime is 506853229. The reversal of 506853217 is 712358605.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506853217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506853817) 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, 414163 + ... + 415384.

It is an arithmetic number, because the mean of its divisors is an integer number (69682032).

Almost surely, 2^506853217 is an apocalyptic number.

It is an amenable number.

506853217 is a deficient number, since it is larger than the sum of its proper divisors (50603039).

506853217 is a wasteful number, since it uses less digits than its factorization.

506853217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829607.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 506853217 is about 22513.4008315048. The cubic root of 506853217 is about 797.3103512251.

It can be divided in two parts, 5068 and 53217, that added together give a palindrome (58285).

The spelling of 506853217 in words is "five hundred six million, eight hundred fifty-three thousand, two hundred seventeen".