505226252317 has 2 divisors, whose sum is σ = 505226252318. Its totient is φ = 505226252316.

The previous prime is 505226252281. The next prime is 505226252327. The reversal of 505226252317 is 713252622505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 505000681956 + 225570361 = 710634^2 + 15019^2 .

It is a cyclic number.

It is not a de Polignac number, because 505226252317 - 2¹⁵ = 505226219549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505226252317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505226252327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252613126158 + 252613126159.

It is an arithmetic number, because the mean of its divisors is an integer number (252613126159).

Almost surely, 2^505226252317 is an apocalyptic number.

It is an amenable number.

505226252317 is a deficient number, since it is larger than the sum of its proper divisors (1).

505226252317 is an equidigital number, since it uses as much as digits as its factorization.

505226252317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 505226252317 in words is "five hundred five billion, two hundred twenty-six million, two hundred fifty-two thousand, three hundred seventeen".