41665783 has 2 divisors, whose sum is σ = 41665784. Its totient is φ = 41665782.

The previous prime is 41665777. The next prime is 41665787. The reversal of 41665783 is 38756614.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41665783 - 2¹³ = 41657591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41665787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20832891 + 20832892.

It is an arithmetic number, because the mean of its divisors is an integer number (20832892).

Almost surely, 2^41665783 is an apocalyptic number.

41665783 is a deficient number, since it is larger than the sum of its proper divisors (1).

41665783 is an equidigital number, since it uses as much as digits as its factorization.

41665783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 41665783 is about 6454.9037947904. The cubic root of 41665783 is about 346.6781863570.

The spelling of 41665783 in words is "forty-one million, six hundred sixty-five thousand, seven hundred eighty-three".