41003621 has 2 divisors, whose sum is σ = 41003622. Its totient is φ = 41003620.

The previous prime is 41003591. The next prime is 41003629. The reversal of 41003621 is 12630014.

41003621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32330596 + 8673025 = 5686^2 + 2945^2 .

It is a cyclic number.

It is not a de Polignac number, because 41003621 - 2¹⁰ = 41002597 is a prime.

It is a super-2 number, since 2×41003621² = 3362593870223282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 41003621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41003629) 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, 20501810 + 20501811.

It is an arithmetic number, because the mean of its divisors is an integer number (20501811).

Almost surely, 2^41003621 is an apocalyptic number.

It is an amenable number.

41003621 is a deficient number, since it is larger than the sum of its proper divisors (1).

41003621 is an equidigital number, since it uses as much as digits as its factorization.

41003621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 41003621 is about 6403.4069837861. The cubic root of 41003621 is about 344.8318749546.

Adding to 41003621 its reverse (12630014), we get a palindrome (53633635).

The spelling of 41003621 in words is "forty-one million, three thousand, six hundred twenty-one".