502116191 has 2 divisors, whose sum is σ = 502116192. Its totient is φ = 502116190.

The previous prime is 502116169. The next prime is 502116221. The reversal of 502116191 is 191611205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 502116191 - 2¹⁰ = 502115167 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 502116191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502116101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251058095 + 251058096.

It is an arithmetic number, because the mean of its divisors is an integer number (251058096).

Almost surely, 2^502116191 is an apocalyptic number.

502116191 is a deficient number, since it is larger than the sum of its proper divisors (1).

502116191 is an equidigital number, since it uses as much as digits as its factorization.

502116191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 26.

The square root of 502116191 is about 22407.9492814492. The cubic root of 502116191 is about 794.8186978943.

Adding to 502116191 its reverse (191611205), we get a palindrome (693727396).

It can be divided in two parts, 5021 and 16191, that added together give a palindrome (21212).

The spelling of 502116191 in words is "five hundred two million, one hundred sixteen thousand, one hundred ninety-one".