520452254017 has 2 divisors, whose sum is σ = 520452254018. Its totient is φ = 520452254016.

The previous prime is 520452254009. The next prime is 520452254053. The reversal of 520452254017 is 710452254025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463977583281 + 56474670736 = 681159^2 + 237644^2 .

It is a cyclic number.

It is not a de Polignac number, because 520452254017 - 2³ = 520452254009 is a prime.

It is a super-2 number, since 2×520452254017² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (520452254117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260226127008 + 260226127009.

It is an arithmetic number, because the mean of its divisors is an integer number (260226127009).

Almost surely, 2^520452254017 is an apocalyptic number.

It is an amenable number.

520452254017 is a deficient number, since it is larger than the sum of its proper divisors (1).

520452254017 is an equidigital number, since it uses as much as digits as its factorization.

520452254017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112000, while the sum is 37.

The spelling of 520452254017 in words is "five hundred twenty billion, four hundred fifty-two million, two hundred fifty-four thousand, seventeen".