520554679031 has 2 divisors, whose sum is σ = 520554679032. Its totient is φ = 520554679030.

The previous prime is 520554679009. The next prime is 520554679033. The reversal of 520554679031 is 130976455025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520554679031 - 2²⁶ = 520487570167 is a prime.

It is a super-2 number, since 2×520554679031² (a number of 24 digits) contains 22 as substring.

Together with 520554679033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520554679033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260277339515 + 260277339516.

It is an arithmetic number, because the mean of its divisors is an integer number (260277339516).

Almost surely, 2^520554679031 is an apocalyptic number.

520554679031 is a deficient number, since it is larger than the sum of its proper divisors (1).

520554679031 is an equidigital number, since it uses as much as digits as its factorization.

520554679031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134000, while the sum is 47.

The spelling of 520554679031 in words is "five hundred twenty billion, five hundred fifty-four million, six hundred seventy-nine thousand, thirty-one".