41586561 has 8 divisors (see below), whose sum is σ = 61609760. Its totient is φ = 27724356.

The previous prime is 41586541. The next prime is 41586583. The reversal of 41586561 is 16568514.

41586561 = 424² + 425² + ... + 585².

41586561 is a `hidden beast` number, since 4 + 15 + 86 + 561 = 666.

41586561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 41586561 - 2⁵ = 41586529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41586511) 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 in 7 ways as a sum of consecutive naturals, for example, 770095 + ... + 770148.

It is an arithmetic number, because the mean of its divisors is an integer number (7701220).

Almost surely, 2^41586561 is an apocalyptic number.

It is an amenable number.

41586561 is a deficient number, since it is larger than the sum of its proper divisors (20023199).

41586561 is a wasteful number, since it uses less digits than its factorization.

41586561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540252 (or 1540246 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 41586561 is about 6448.7643002361. The cubic root of 41586561 is about 346.4583259788.

The spelling of 41586561 in words is "forty-one million, five hundred eighty-six thousand, five hundred sixty-one".