41564069 has 2 divisors, whose sum is σ = 41564070. Its totient is φ = 41564068.

The previous prime is 41564063. The next prime is 41564071. The reversal of 41564069 is 96046514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29833444 + 11730625 = 5462^2 + 3425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41564069 is a prime.

It is a super-2 number, since 2×41564069² = 3455143663673522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 41564071, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41564063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20782034 + 20782035.

It is an arithmetic number, because the mean of its divisors is an integer number (20782035).

Almost surely, 2^41564069 is an apocalyptic number.

It is an amenable number.

41564069 is a deficient number, since it is larger than the sum of its proper divisors (1).

41564069 is an equidigital number, since it uses as much as digits as its factorization.

41564069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 41564069 is about 6447.0201643860. The cubic root of 41564069 is about 346.3958543072.

The spelling of 41564069 in words is "forty-one million, five hundred sixty-four thousand, sixty-nine".