41911997 has 2 divisors, whose sum is σ = 41911998. Its totient is φ = 41911996.

The previous prime is 41911981. The next prime is 41912041. The reversal of 41911997 is 79911914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23755876 + 18156121 = 4874^2 + 4261^2 .

It is a cyclic number.

It is not a de Polignac number, because 41911997 - 2⁴ = 41911981 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41910997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20955998 + 20955999.

It is an arithmetic number, because the mean of its divisors is an integer number (20955999).

Almost surely, 2^41911997 is an apocalyptic number.

It is an amenable number.

41911997 is a deficient number, since it is larger than the sum of its proper divisors (1).

41911997 is an equidigital number, since it uses as much as digits as its factorization.

41911997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 41.

The square root of 41911997 is about 6473.9475592563. The cubic root of 41911997 is about 347.3597163346.

The spelling of 41911997 in words is "forty-one million, nine hundred eleven thousand, nine hundred ninety-seven".