41661071 has 2 divisors, whose sum is σ = 41661072. Its totient is φ = 41661070.

The previous prime is 41661047. The next prime is 41661079. The reversal of 41661071 is 17016614.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41661071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41661071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41661079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20830535 + 20830536.

It is an arithmetic number, because the mean of its divisors is an integer number (20830536).

Almost surely, 2^41661071 is an apocalyptic number.

41661071 is a deficient number, since it is larger than the sum of its proper divisors (1).

41661071 is an equidigital number, since it uses as much as digits as its factorization.

41661071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 41661071 is about 6454.5387906496. The cubic root of 41661071 is about 346.6651172063.

Adding to 41661071 its reverse (17016614), we get a palindrome (58677685).

The spelling of 41661071 in words is "forty-one million, six hundred sixty-one thousand, seventy-one".