41621 has 2 divisors, whose sum is σ = 41622. Its totient is φ = 41620.

The previous prime is 41617. The next prime is 41627. The reversal of 41621 is 12614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34225 + 7396 = 185^2 + 86^2 .

It is a cyclic number.

It is not a de Polignac number, because 41621 - 2² = 41617 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 41596 and 41605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20810 + 20811.

It is an arithmetic number, because the mean of its divisors is an integer number (20811).

2⁴¹⁶²¹ is an apocalyptic number.

It is an amenable number.

41621 is a deficient number, since it is larger than the sum of its proper divisors (1).

41621 is an equidigital number, since it uses as much as digits as its factorization.

41621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 14.

The square root of 41621 is about 204.0122545339. The cubic root of 41621 is about 34.6553936883.

The spelling of 41621 in words is "forty-one thousand, six hundred twenty-one".