520740746527 has 2 divisors, whose sum is σ = 520740746528. Its totient is φ = 520740746526.

The previous prime is 520740746467. The next prime is 520740746531. The reversal of 520740746527 is 725647047025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520740746527 - 2²³ = 520732357919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520740746567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260370373263 + 260370373264.

It is an arithmetic number, because the mean of its divisors is an integer number (260370373264).

Almost surely, 2^520740746527 is an apocalyptic number.

520740746527 is a deficient number, since it is larger than the sum of its proper divisors (1).

520740746527 is an equidigital number, since it uses as much as digits as its factorization.

520740746527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3292800, while the sum is 49.

It can be divided in two parts, 520 and 740746527, that added together give a palindrome (740747047).

The spelling of 520740746527 in words is "five hundred twenty billion, seven hundred forty million, seven hundred forty-six thousand, five hundred twenty-seven".