41317621 has 2 divisors, whose sum is σ = 41317622. Its totient is φ = 41317620.

The previous prime is 41317613. The next prime is 41317643. The reversal of 41317621 is 12671314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29311396 + 12006225 = 5414^2 + 3465^2 .

It is a cyclic number.

It is not a de Polignac number, because 41317621 - 2³ = 41317613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41317651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20658810 + 20658811.

It is an arithmetic number, because the mean of its divisors is an integer number (20658811).

Almost surely, 2^41317621 is an apocalyptic number.

It is an amenable number.

41317621 is a deficient number, since it is larger than the sum of its proper divisors (1).

41317621 is an equidigital number, since it uses as much as digits as its factorization.

41317621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 41317621 is about 6427.8784213767. The cubic root of 41317621 is about 345.7098623568.

Adding to 41317621 its reverse (12671314), we get a palindrome (53988935).

The spelling of 41317621 in words is "forty-one million, three hundred seventeen thousand, six hundred twenty-one".