41966861 has 2 divisors, whose sum is σ = 41966862. Its totient is φ = 41966860.

The previous prime is 41966851. The next prime is 41966887. The reversal of 41966861 is 16866914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21436900 + 20529961 = 4630^2 + 4531^2 .

It is a cyclic number.

It is not a de Polignac number, because 41966861 - 2⁶ = 41966797 is a prime.

It is a super-2 number, since 2×41966861² = 3522434844386642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41966851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20983430 + 20983431.

It is an arithmetic number, because the mean of its divisors is an integer number (20983431).

Almost surely, 2^41966861 is an apocalyptic number.

It is an amenable number.

41966861 is a deficient number, since it is larger than the sum of its proper divisors (1).

41966861 is an equidigital number, since it uses as much as digits as its factorization.

41966861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 41966861 is about 6478.1834645215. The cubic root of 41966861 is about 347.5112181738.

The spelling of 41966861 in words is "forty-one million, nine hundred sixty-six thousand, eight hundred sixty-one".