526061281 has 2 divisors, whose sum is σ = 526061282. Its totient is φ = 526061280.

The previous prime is 526061251. The next prime is 526061293. The reversal of 526061281 is 182160625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 462938256 + 63123025 = 21516^2 + 7945^2 .

It is a cyclic number.

It is not a de Polignac number, because 526061281 - 2¹⁵ = 526028513 is a prime.

It is a super-2 number, since 2×526061281² = 553480942734721922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (526061251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263030640 + 263030641.

It is an arithmetic number, because the mean of its divisors is an integer number (263030641).

Almost surely, 2^526061281 is an apocalyptic number.

It is an amenable number.

526061281 is a deficient number, since it is larger than the sum of its proper divisors (1).

526061281 is an equidigital number, since it uses as much as digits as its factorization.

526061281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 526061281 is about 22936.0258327375. The cubic root of 526061281 is about 807.2575448099.

The spelling of 526061281 in words is "five hundred twenty-six million, sixty-one thousand, two hundred eighty-one".