41916421 has 2 divisors, whose sum is σ = 41916422. Its totient is φ = 41916420.

The previous prime is 41916379. The next prime is 41916431. The reversal of 41916421 is 12461914.

41916421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34680321 + 7236100 = 5889^2 + 2690^2 .

It is a cyclic number.

It is not a de Polignac number, because 41916421 - 2⁷ = 41916293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41916421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41916431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20958210 + 20958211.

It is an arithmetic number, because the mean of its divisors is an integer number (20958211).

Almost surely, 2^41916421 is an apocalyptic number.

It is an amenable number.

41916421 is a deficient number, since it is larger than the sum of its proper divisors (1).

41916421 is an equidigital number, since it uses as much as digits as its factorization.

41916421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 41916421 is about 6474.2892273979. The cubic root of 41916421 is about 347.3719376986.

The spelling of 41916421 in words is "forty-one million, nine hundred sixteen thousand, four hundred twenty-one".