41920817 has 2 divisors, whose sum is σ = 41920818. Its totient is φ = 41920816.

The previous prime is 41920807. The next prime is 41920873. The reversal of 41920817 is 71802914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30958096 + 10962721 = 5564^2 + 3311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41920817 is a prime.

It is not a weakly prime, because it can be changed into another prime (41920807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20960408 + 20960409.

It is an arithmetic number, because the mean of its divisors is an integer number (20960409).

Almost surely, 2^41920817 is an apocalyptic number.

It is an amenable number.

41920817 is a deficient number, since it is larger than the sum of its proper divisors (1).

41920817 is an equidigital number, since it uses as much as digits as its factorization.

41920817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 41920817 is about 6474.6287152238. The cubic root of 41920817 is about 347.3840808605.

The spelling of 41920817 in words is "forty-one million, nine hundred twenty thousand, eight hundred seventeen".