502051220197 has 2 divisors, whose sum is σ = 502051220198. Its totient is φ = 502051220196.

The previous prime is 502051220171. The next prime is 502051220221. The reversal of 502051220197 is 791022150205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340683509761 + 161367710436 = 583681^2 + 401706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502051220197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502051220897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251025610098 + 251025610099.

It is an arithmetic number, because the mean of its divisors is an integer number (251025610099).

Almost surely, 2^502051220197 is an apocalyptic number.

It is an amenable number.

502051220197 is a deficient number, since it is larger than the sum of its proper divisors (1).

502051220197 is an equidigital number, since it uses as much as digits as its factorization.

502051220197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 502051220197 in words is "five hundred two billion, fifty-one million, two hundred twenty thousand, one hundred ninety-seven".