41504609 has 2 divisors, whose sum is σ = 41504610. Its totient is φ = 41504608.

The previous prime is 41504563. The next prime is 41504611. The reversal of 41504609 is 90640514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32171584 + 9333025 = 5672^2 + 3055^2 .

It is a cyclic number.

It is not a de Polignac number, because 41504609 - 2²⁴ = 24727393 is a prime.

It is a Sophie Germain prime.

Together with 41504611, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (41504209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20752304 + 20752305.

It is an arithmetic number, because the mean of its divisors is an integer number (20752305).

Almost surely, 2^41504609 is an apocalyptic number.

It is an amenable number.

41504609 is a deficient number, since it is larger than the sum of its proper divisors (1).

41504609 is an equidigital number, since it uses as much as digits as its factorization.

41504609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 41504609 is about 6442.4070812081. The cubic root of 41504609 is about 346.2305951669.

The spelling of 41504609 in words is "forty-one million, five hundred four thousand, six hundred nine".