41091641 has 2 divisors, whose sum is σ = 41091642. Its totient is φ = 41091640.

The previous prime is 41091629. The next prime is 41091649. The reversal of 41091641 is 14619014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39639616 + 1452025 = 6296^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 41091641 - 2²² = 36897337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41091641.

It is not a weakly prime, because it can be changed into another prime (41091649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20545820 + 20545821.

It is an arithmetic number, because the mean of its divisors is an integer number (20545821).

Almost surely, 2^41091641 is an apocalyptic number.

It is an amenable number.

41091641 is a deficient number, since it is larger than the sum of its proper divisors (1).

41091641 is an equidigital number, since it uses as much as digits as its factorization.

41091641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 41091641 is about 6410.2762030976. The cubic root of 41091641 is about 345.0784418708.

The spelling of 41091641 in words is "forty-one million, ninety-one thousand, six hundred forty-one".