41686061 has 2 divisors, whose sum is σ = 41686062. Its totient is φ = 41686060.

The previous prime is 41686027. The next prime is 41686063. The reversal of 41686061 is 16068614.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30085225 + 11600836 = 5485^2 + 3406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41686061 is a prime.

It is a Sophie Germain prime.

Together with 41686063, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41686063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20843030 + 20843031.

It is an arithmetic number, because the mean of its divisors is an integer number (20843031).

Almost surely, 2^41686061 is an apocalyptic number.

It is an amenable number.

41686061 is a deficient number, since it is larger than the sum of its proper divisors (1).

41686061 is an equidigital number, since it uses as much as digits as its factorization.

41686061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 41686061 is about 6456.4743475058. The cubic root of 41686061 is about 346.7344179505.

The spelling of 41686061 in words is "forty-one million, six hundred eighty-six thousand, sixty-one".