41604809 has 2 divisors, whose sum is σ = 41604810. Its totient is φ = 41604808.

The previous prime is 41604803. The next prime is 41604811. The reversal of 41604809 is 90840614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40960000 + 644809 = 6400^2 + 803^2 .

It is a cyclic number.

It is not a de Polignac number, because 41604809 - 2²⁰ = 40556233 is a prime.

Together with 41604811, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41604803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20802404 + 20802405.

It is an arithmetic number, because the mean of its divisors is an integer number (20802405).

Almost surely, 2^41604809 is an apocalyptic number.

It is an amenable number.

41604809 is a deficient number, since it is larger than the sum of its proper divisors (1).

41604809 is an equidigital number, since it uses as much as digits as its factorization.

41604809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 41604809 is about 6450.1789897645. The cubic root of 41604809 is about 346.5089933650.

The spelling of 41604809 in words is "forty-one million, six hundred four thousand, eight hundred nine".