505325525430017 has 2 divisors, whose sum is σ = 505325525430018. Its totient is φ = 505325525430016.

The previous prime is 505325525430001. The next prime is 505325525430023. The reversal of 505325525430017 is 710034525523505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480973629694321 + 24351895735696 = 21931111^2 + 4934764^2 .

It is a cyclic number.

It is not a de Polignac number, because 505325525430017 - 2⁴ = 505325525430001 is a prime.

It is a super-2 number, since 2×505325525430017² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (505325525430317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252662762715008 + 252662762715009.

It is an arithmetic number, because the mean of its divisors is an integer number (252662762715009).

Almost surely, 2^{505325525430017} is an apocalyptic number.

It is an amenable number.

505325525430017 is a deficient number, since it is larger than the sum of its proper divisors (1).

505325525430017 is an equidigital number, since it uses as much as digits as its factorization.

505325525430017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150000, while the sum is 47.

The spelling of 505325525430017 in words is "five hundred five trillion, three hundred twenty-five billion, five hundred twenty-five million, four hundred thirty thousand, seventeen".