526066525398481 has 2 divisors, whose sum is σ = 526066525398482. Its totient is φ = 526066525398480.

The previous prime is 526066525398461. The next prime is 526066525398497. The reversal of 526066525398481 is 184893525660625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267813879600400 + 258252645798081 = 16365020^2 + 16070241^2 .

It is a cyclic number.

It is not a de Polignac number, because 526066525398481 - 2³³ = 526057935463889 is a prime.

It is a super-2 number, since 2×526066525398481² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 526066525398481.

It is not a weakly prime, because it can be changed into another prime (526066525398451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263033262699240 + 263033262699241.

It is an arithmetic number, because the mean of its divisors is an integer number (263033262699241).

Almost surely, 2^{526066525398481} is an apocalyptic number.

It is an amenable number.

526066525398481 is a deficient number, since it is larger than the sum of its proper divisors (1).

526066525398481 is an equidigital number, since it uses as much as digits as its factorization.

526066525398481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496000, while the sum is 70.

The spelling of 526066525398481 in words is "five hundred twenty-six trillion, sixty-six billion, five hundred twenty-five million, three hundred ninety-eight thousand, four hundred eighty-one".