41784161 has 2 divisors, whose sum is σ = 41784162. Its totient is φ = 41784160.

The previous prime is 41784103. The next prime is 41784163. The reversal of 41784161 is 16148714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24403600 + 17380561 = 4940^2 + 4169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41784161 is a prime.

It is a super-2 number, since 2×41784161² = 3491832220947842, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 41784163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (41784163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20892080 + 20892081.

It is an arithmetic number, because the mean of its divisors is an integer number (20892081).

Almost surely, 2^41784161 is an apocalyptic number.

It is an amenable number.

41784161 is a deficient number, since it is larger than the sum of its proper divisors (1).

41784161 is an equidigital number, since it uses as much as digits as its factorization.

41784161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 32.

The square root of 41784161 is about 6464.0669086884. The cubic root of 41784161 is about 347.0061954396.

The spelling of 41784161 in words is "forty-one million, seven hundred eighty-four thousand, one hundred sixty-one".