41805901 has 2 divisors, whose sum is σ = 41805902. Its totient is φ = 41805900.

The previous prime is 41805877. The next prime is 41805913. The reversal of 41805901 is 10950814.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41602500 + 203401 = 6450^2 + 451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41805901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41805901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41805971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20902950 + 20902951.

It is an arithmetic number, because the mean of its divisors is an integer number (20902951).

Almost surely, 2^41805901 is an apocalyptic number.

It is an amenable number.

41805901 is a deficient number, since it is larger than the sum of its proper divisors (1).

41805901 is an equidigital number, since it uses as much as digits as its factorization.

41805901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 41805901 is about 6465.7482938945. The cubic root of 41805901 is about 347.0663666188.

The spelling of 41805901 in words is "forty-one million, eight hundred five thousand, nine hundred one".