41405857 has 2 divisors, whose sum is σ = 41405858. Its totient is φ = 41405856.

The previous prime is 41405843. The next prime is 41405867. The reversal of 41405857 is 75850414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39639616 + 1766241 = 6296^2 + 1329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41405857 is a prime.

It is equal to p_2513869 and since 41405857 and 2513869 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (41405867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20702928 + 20702929.

It is an arithmetic number, because the mean of its divisors is an integer number (20702929).

Almost surely, 2^41405857 is an apocalyptic number.

It is an amenable number.

41405857 is a deficient number, since it is larger than the sum of its proper divisors (1).

41405857 is an equidigital number, since it uses as much as digits as its factorization.

41405857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 41405857 is about 6434.7383008169. The cubic root of 41405857 is about 345.9557813784.

The spelling of 41405857 in words is "forty-one million, four hundred five thousand, eight hundred fifty-seven".