41716561 has 2 divisors, whose sum is σ = 41716562. Its totient is φ = 41716560.

The previous prime is 41716517. The next prime is 41716583. The reversal of 41716561 is 16561714.

41716561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27040000 + 14676561 = 5200^2 + 3831^2 .

It is a cyclic number.

It is not a de Polignac number, because 41716561 - 2¹¹ = 41714513 is a prime.

It is not a weakly prime, because it can be changed into another prime (41716061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20858280 + 20858281.

It is an arithmetic number, because the mean of its divisors is an integer number (20858281).

Almost surely, 2^41716561 is an apocalyptic number.

It is an amenable number.

41716561 is a deficient number, since it is larger than the sum of its proper divisors (1).

41716561 is an equidigital number, since it uses as much as digits as its factorization.

41716561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 41716561 is about 6458.8358858234. The cubic root of 41716561 is about 346.8189611715.

The spelling of 41716561 in words is "forty-one million, seven hundred sixteen thousand, five hundred sixty-one".