525761425727513 has 2 divisors, whose sum is σ = 525761425727514. Its totient is φ = 525761425727512.

The previous prime is 525761425727443. The next prime is 525761425727609. The reversal of 525761425727513 is 315727524167525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289497565978384 + 236263859749129 = 17014628^2 + 15370877^2 .

It is a cyclic number.

It is not a de Polignac number, because 525761425727513 - 2⁸ = 525761425727257 is a prime.

It is not a weakly prime, because it can be changed into another prime (525761425729513) 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, 262880712863756 + 262880712863757.

It is an arithmetic number, because the mean of its divisors is an integer number (262880712863757).

Almost surely, 2^{525761425727513} is an apocalyptic number.

It is an amenable number.

525761425727513 is a deficient number, since it is larger than the sum of its proper divisors (1).

525761425727513 is an equidigital number, since it uses as much as digits as its factorization.

525761425727513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123480000, while the sum is 62.

The spelling of 525761425727513 in words is "five hundred twenty-five trillion, seven hundred sixty-one billion, four hundred twenty-five million, seven hundred twenty-seven thousand, five hundred thirteen".