41903809 has 2 divisors, whose sum is σ = 41903810. Its totient is φ = 41903808.

The previous prime is 41903791. The next prime is 41903821. The reversal of 41903809 is 90830914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41796225 + 107584 = 6465^2 + 328^2 .

It is a cyclic number.

It is not a de Polignac number, because 41903809 - 2¹³ = 41895617 is a prime.

It is not a weakly prime, because it can be changed into another prime (41903879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20951904 + 20951905.

It is an arithmetic number, because the mean of its divisors is an integer number (20951905).

Almost surely, 2^41903809 is an apocalyptic number.

It is an amenable number.

41903809 is a deficient number, since it is larger than the sum of its proper divisors (1).

41903809 is an equidigital number, since it uses as much as digits as its factorization.

41903809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 41903809 is about 6473.3151475886. The cubic root of 41903809 is about 347.3370945970.

The spelling of 41903809 in words is "forty-one million, nine hundred three thousand, eight hundred nine".