41209591 has 2 divisors, whose sum is σ = 41209592. Its totient is φ = 41209590.

The previous prime is 41209589. The next prime is 41209603. The reversal of 41209591 is 19590214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41209591 - 2¹ = 41209589 is a prime.

Together with 41209589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41209501) 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, 20604795 + 20604796.

It is an arithmetic number, because the mean of its divisors is an integer number (20604796).

Almost surely, 2^41209591 is an apocalyptic number.

41209591 is a deficient number, since it is larger than the sum of its proper divisors (1).

41209591 is an equidigital number, since it uses as much as digits as its factorization.

41209591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 41209591 is about 6419.4696821466. The cubic root of 41209591 is about 345.4082990661.

The spelling of 41209591 in words is "forty-one million, two hundred nine thousand, five hundred ninety-one".