104566081 has 2 divisors, whose sum is σ = 104566082. Its totient is φ = 104566080.

The previous prime is 104566079. The next prime is 104566087. The reversal of 104566081 is 180665401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100400400 + 4165681 = 10020^2 + 2041^2 .

It is a cyclic number.

It is not a de Polignac number, because 104566081 - 2¹ = 104566079 is a prime.

It is a super-2 number, since 2×104566081² = 21868130591397122, which contains 22 as substring.

Together with 104566079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (104566087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52283040 + 52283041.

It is an arithmetic number, because the mean of its divisors is an integer number (52283041).

Almost surely, 2^104566081 is an apocalyptic number.

It is an amenable number.

104566081 is a deficient number, since it is larger than the sum of its proper divisors (1).

104566081 is an equidigital number, since it uses as much as digits as its factorization.

104566081 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 104566081 is about 10225.7557666903. The cubic root of 104566081 is about 471.1186286778.

The spelling of 104566081 in words is "one hundred four million, five hundred sixty-six thousand, eighty-one".