526722452561 has 2 divisors, whose sum is σ = 526722452562. Its totient is φ = 526722452560.

The previous prime is 526722452549. The next prime is 526722452587. The reversal of 526722452561 is 165254227625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369177760000 + 157544692561 = 607600^2 + 396919^2 .

It is a cyclic number.

It is not a de Polignac number, because 526722452561 - 2¹⁸ = 526722190417 is a prime.

It is not a weakly prime, because it can be changed into another prime (526722452591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263361226280 + 263361226281.

It is an arithmetic number, because the mean of its divisors is an integer number (263361226281).

Almost surely, 2^526722452561 is an apocalyptic number.

It is an amenable number.

526722452561 is a deficient number, since it is larger than the sum of its proper divisors (1).

526722452561 is an equidigital number, since it uses as much as digits as its factorization.

526722452561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016000, while the sum is 47.

The spelling of 526722452561 in words is "five hundred twenty-six billion, seven hundred twenty-two million, four hundred fifty-two thousand, five hundred sixty-one".