41207909 has 2 divisors, whose sum is σ = 41207910. Its totient is φ = 41207908.

The previous prime is 41207893. The next prime is 41207939. The reversal of 41207909 is 90970214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28922884 + 12285025 = 5378^2 + 3505^2 .

It is a cyclic number.

It is not a de Polignac number, because 41207909 - 2⁴ = 41207893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41207939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20603954 + 20603955.

It is an arithmetic number, because the mean of its divisors is an integer number (20603955).

Almost surely, 2^41207909 is an apocalyptic number.

It is an amenable number.

41207909 is a deficient number, since it is larger than the sum of its proper divisors (1).

41207909 is an equidigital number, since it uses as much as digits as its factorization.

41207909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 41207909 is about 6419.3386731033. The cubic root of 41207909 is about 345.4035996369.

The spelling of 41207909 in words is "forty-one million, two hundred seven thousand, nine hundred nine".