41566013 has 2 divisors, whose sum is σ = 41566014. Its totient is φ = 41566012.

The previous prime is 41565989. The next prime is 41566039. The reversal of 41566013 is 31066514.

It is an a-pointer prime, because the next prime (41566039) can be obtained adding 41566013 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41434969 + 131044 = 6437^2 + 362^2 .

It is a cyclic number.

It is not a de Polignac number, because 41566013 - 2⁸ = 41565757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41566043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20783006 + 20783007.

It is an arithmetic number, because the mean of its divisors is an integer number (20783007).

Almost surely, 2^41566013 is an apocalyptic number.

It is an amenable number.

41566013 is a deficient number, since it is larger than the sum of its proper divisors (1).

41566013 is an equidigital number, since it uses as much as digits as its factorization.

41566013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 41566013 is about 6447.1709299506. The cubic root of 41566013 is about 346.4012546691.

The spelling of 41566013 in words is "forty-one million, five hundred sixty-six thousand, thirteen".