41340641 has 2 divisors, whose sum is σ = 41340642. Its totient is φ = 41340640.

The previous prime is 41340623. The next prime is 41340643. The reversal of 41340641 is 14604314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39740416 + 1600225 = 6304^2 + 1265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41340641 is a prime.

Together with 41340643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41340643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20670320 + 20670321.

It is an arithmetic number, because the mean of its divisors is an integer number (20670321).

Almost surely, 2^41340641 is an apocalyptic number.

It is an amenable number.

41340641 is a deficient number, since it is larger than the sum of its proper divisors (1).

41340641 is an equidigital number, since it uses as much as digits as its factorization.

41340641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 41340641 is about 6429.6688095111. The cubic root of 41340641 is about 345.7740542063.

Adding to 41340641 its reverse (14604314), we get a palindrome (55944955).

The spelling of 41340641 in words is "forty-one million, three hundred forty thousand, six hundred forty-one".