520527130027001 has 4 divisors (see below), whose sum is σ = 520527211551732. Its totient is φ = 520527048502272.

The previous prime is 520527130026929. The next prime is 520527130027027. The reversal of 520527130027001 is 100720031725025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 178087663812601 + 342439466214400 = 13344949^2 + 18505120^2 .

It is a cyclic number.

It is not a de Polignac number, because 520527130027001 - 2¹⁰ = 520527130025977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520527130027501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30287816 + ... + 44253881.

It is an arithmetic number, because the mean of its divisors is an integer number (130131802887933).

Almost surely, 2^{520527130027001} is an apocalyptic number.

It is an amenable number.

520527130027001 is a deficient number, since it is larger than the sum of its proper divisors (81524731).

520527130027001 is an equidigital number, since it uses as much as digits as its factorization.

520527130027001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81524730.

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 520527130027001 in words is "five hundred twenty trillion, five hundred twenty-seven billion, one hundred thirty million, twenty-seven thousand, one".