520531027 has 2 divisors, whose sum is σ = 520531028. Its totient is φ = 520531026.

The previous prime is 520531021. The next prime is 520531093. The reversal of 520531027 is 720135025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520531027 - 2³ = 520531019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520530992 and 520531010.

It is not a weakly prime, because it can be changed into another prime (520531021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260265513 + 260265514.

It is an arithmetic number, because the mean of its divisors is an integer number (260265514).

Almost surely, 2^520531027 is an apocalyptic number.

520531027 is a deficient number, since it is larger than the sum of its proper divisors (1).

520531027 is an equidigital number, since it uses as much as digits as its factorization.

520531027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 520531027 is about 22815.1490681082. The cubic root of 520531027 is about 804.4187911476.

The spelling of 520531027 in words is "five hundred twenty million, five hundred thirty-one thousand, twenty-seven".