520531127 has 2 divisors, whose sum is σ = 520531128. Its totient is φ = 520531126.

The previous prime is 520531111. The next prime is 520531129. The reversal of 520531127 is 721135025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520531127 - 2⁴ = 520531111 is a prime.

Together with 520531129, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 520531096 and 520531105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520531129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260265563 + 260265564.

It is an arithmetic number, because the mean of its divisors is an integer number (260265564).

Almost surely, 2^520531127 is an apocalyptic number.

520531127 is a deficient number, since it is larger than the sum of its proper divisors (1).

520531127 is an equidigital number, since it uses as much as digits as its factorization.

520531127 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 26.

The square root of 520531127 is about 22815.1512596345. The cubic root of 520531127 is about 804.4188426603.

The spelling of 520531127 in words is "five hundred twenty million, five hundred thirty-one thousand, one hundred twenty-seven".