41665801 has 2 divisors, whose sum is σ = 41665802. Its totient is φ = 41665800.

The previous prime is 41665787. The next prime is 41665817. The reversal of 41665801 is 10856614.

41665801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25857225 + 15808576 = 5085^2 + 3976^2 .

It is a cyclic number.

It is not a de Polignac number, because 41665801 - 2⁹ = 41665289 is a prime.

It is not a weakly prime, because it can be changed into another prime (41665831) 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, 20832900 + 20832901.

It is an arithmetic number, because the mean of its divisors is an integer number (20832901).

Almost surely, 2^41665801 is an apocalyptic number.

It is an amenable number.

41665801 is a deficient number, since it is larger than the sum of its proper divisors (1).

41665801 is an equidigital number, since it uses as much as digits as its factorization.

41665801 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 41665801 is about 6454.9051890791. The cubic root of 41665801 is about 346.6782362797.

The spelling of 41665801 in words is "forty-one million, six hundred sixty-five thousand, eight hundred one".