41000681 has 2 divisors, whose sum is σ = 41000682. Its totient is φ = 41000680.

The previous prime is 41000657. The next prime is 41000731. The reversal of 41000681 is 18600014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40386025 + 614656 = 6355^2 + 784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41000681 is a prime.

It is a super-2 number, since 2×41000681² = 3362111684927522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (41000611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20500340 + 20500341.

It is an arithmetic number, because the mean of its divisors is an integer number (20500341).

Almost surely, 2^41000681 is an apocalyptic number.

It is an amenable number.

41000681 is a deficient number, since it is larger than the sum of its proper divisors (1).

41000681 is an equidigital number, since it uses as much as digits as its factorization.

41000681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 41000681 is about 6403.1774143780. The cubic root of 41000681 is about 344.8236331626.

Adding to 41000681 its reverse (18600014), we get a palindrome (59600695).

The spelling of 41000681 in words is "forty-one million, six hundred eighty-one", and thus it is an aban number.