105526081 has 2 divisors, whose sum is σ = 105526082. Its totient is φ = 105526080.

The previous prime is 105526063. The next prime is 105526103. The reversal of 105526081 is 180625501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55950400 + 49575681 = 7480^2 + 7041^2 .

It is a cyclic number.

It is not a de Polignac number, because 105526081 - 2²¹ = 103428929 is a prime.

It is a super-2 number, since 2×105526081² = 22271507542437122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105526181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52763040 + 52763041.

It is an arithmetic number, because the mean of its divisors is an integer number (52763041).

Almost surely, 2^105526081 is an apocalyptic number.

It is an amenable number.

105526081 is a deficient number, since it is larger than the sum of its proper divisors (1).

105526081 is an equidigital number, since it uses as much as digits as its factorization.

105526081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 105526081 is about 10272.5888168465. The cubic root of 105526081 is about 472.5559871323. Note that the first 3 decimals are identical.

The spelling of 105526081 in words is "one hundred five million, five hundred twenty-six thousand, eighty-one".