41604109 has 4 divisors (see below), whose sum is σ = 41631516. Its totient is φ = 41576704.

The previous prime is 41604089. The next prime is 41604137. The reversal of 41604109 is 90140614.

41604109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12981609 + 28622500 = 3603^2 + 5350^2 .

It is a 4-Lehmer number, since φ(41604109) divides (41604109-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 41604109 - 2¹⁷ = 41473037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41604809) 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 3 ways as a sum of consecutive naturals, for example, 11284 + ... + 14509.

It is an arithmetic number, because the mean of its divisors is an integer number (10407879).

It is a Poulet number, since it divides 2^41604108-1.

Almost surely, 2^41604109 is an apocalyptic number.

It is an amenable number.

41604109 is a deficient number, since it is larger than the sum of its proper divisors (27407).

41604109 is a wasteful number, since it uses less digits than its factorization.

41604109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27406.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 41604109 is about 6450.1247274762. The cubic root of 41604109 is about 346.5070500187.

The spelling of 41604109 in words is "forty-one million, six hundred four thousand, one hundred nine".