506247211 has 2 divisors, whose sum is σ = 506247212. Its totient is φ = 506247210.

The previous prime is 506247187. The next prime is 506247239. The reversal of 506247211 is 112742605.

It is an a-pointer prime, because the next prime (506247239) can be obtained adding 506247211 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506247211 - 2⁵ = 506247179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 506247211.

It is not a weakly prime, because it can be changed into another prime (506287211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253123605 + 253123606.

It is an arithmetic number, because the mean of its divisors is an integer number (253123606).

Almost surely, 2^506247211 is an apocalyptic number.

506247211 is a deficient number, since it is larger than the sum of its proper divisors (1).

506247211 is an equidigital number, since it uses as much as digits as its factorization.

506247211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 506247211 is about 22499.9380221369. The cubic root of 506247211 is about 796.9924633017.

Adding to 506247211 its reverse (112742605), we get a palindrome (618989816).

The spelling of 506247211 in words is "five hundred six million, two hundred forty-seven thousand, two hundred eleven".