41549609 has 2 divisors, whose sum is σ = 41549610. Its totient is φ = 41549608.

The previous prime is 41549603. The next prime is 41549633. The reversal of 41549609 is 90694514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39438400 + 2111209 = 6280^2 + 1453^2 .

It is a cyclic number.

It is not a de Polignac number, because 41549609 - 2⁸ = 41549353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41549603) 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, 20774804 + 20774805.

It is an arithmetic number, because the mean of its divisors is an integer number (20774805).

Almost surely, 2^41549609 is an apocalyptic number.

It is an amenable number.

41549609 is a deficient number, since it is larger than the sum of its proper divisors (1).

41549609 is an equidigital number, since it uses as much as digits as its factorization.

41549609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 41549609 is about 6445.8986185015. The cubic root of 41549609 is about 346.3556796632.

The spelling of 41549609 in words is "forty-one million, five hundred forty-nine thousand, six hundred nine".