41559989 has 2 divisors, whose sum is σ = 41559990. Its totient is φ = 41559988.

The previous prime is 41559983. The next prime is 41560021. The reversal of 41559989 is 98995514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20857489 + 20702500 = 4567^2 + 4550^2 .

It is a cyclic number.

It is not a de Polignac number, because 41559989 - 2⁸ = 41559733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41559983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20779994 + 20779995.

It is an arithmetic number, because the mean of its divisors is an integer number (20779995).

Almost surely, 2^41559989 is an apocalyptic number.

It is an amenable number.

41559989 is a deficient number, since it is larger than the sum of its proper divisors (1).

41559989 is an equidigital number, since it uses as much as digits as its factorization.

41559989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 50.

The square root of 41559989 is about 6446.7037313654. The cubic root of 41559989 is about 346.3845196667.

The spelling of 41559989 in words is "forty-one million, five hundred fifty-nine thousand, nine hundred eighty-nine".