520455060017 has 2 divisors, whose sum is σ = 520455060018. Its totient is φ = 520455060016.

The previous prime is 520455059939. The next prime is 520455060023. The reversal of 520455060017 is 710060554025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334776802801 + 185678257216 = 578599^2 + 430904^2 .

It is a cyclic number.

It is not a de Polignac number, because 520455060017 - 2¹² = 520455055921 is a prime.

It is not a weakly prime, because it can be changed into another prime (520455060317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260227530008 + 260227530009.

It is an arithmetic number, because the mean of its divisors is an integer number (260227530009).

Almost surely, 2^520455060017 is an apocalyptic number.

It is an amenable number.

520455060017 is a deficient number, since it is larger than the sum of its proper divisors (1).

520455060017 is an equidigital number, since it uses as much as digits as its factorization.

520455060017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 520455060017 in words is "five hundred twenty billion, four hundred fifty-five million, sixty thousand, seventeen".