505327717 has 2 divisors, whose sum is σ = 505327718. Its totient is φ = 505327716.

The previous prime is 505327709. The next prime is 505327729. The reversal of 505327717 is 717723505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308037601 + 197290116 = 17551^2 + 14046^2 .

It is a cyclic number.

It is not a de Polignac number, because 505327717 - 2³ = 505327709 is a prime.

It is a super-2 number, since 2×505327717² = 510712203136864178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505327217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252663858 + 252663859.

It is an arithmetic number, because the mean of its divisors is an integer number (252663859).

Almost surely, 2^505327717 is an apocalyptic number.

It is an amenable number.

505327717 is a deficient number, since it is larger than the sum of its proper divisors (1).

505327717 is an equidigital number, since it uses as much as digits as its factorization.

505327717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51450, while the sum is 37.

The square root of 505327717 is about 22479.4954792139. The cubic root of 505327717 is about 796.5096465417.

The spelling of 505327717 in words is "five hundred five million, three hundred twenty-seven thousand, seven hundred seventeen".