41824781 has 2 divisors, whose sum is σ = 41824782. Its totient is φ = 41824780.

The previous prime is 41824771. The next prime is 41824801. The reversal of 41824781 is 18742814.

41824781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41809156 + 15625 = 6466^2 + 125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41824781 is a prime.

It is a super-2 number, since 2×41824781² = 3498624611395922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41824771) 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, 20912390 + 20912391.

It is an arithmetic number, because the mean of its divisors is an integer number (20912391).

Almost surely, 2^41824781 is an apocalyptic number.

It is an amenable number.

41824781 is a deficient number, since it is larger than the sum of its proper divisors (1).

41824781 is an equidigital number, since it uses as much as digits as its factorization.

41824781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14336, while the sum is 35.

The square root of 41824781 is about 6467.2081302522. The cubic root of 41824781 is about 347.1186050722.

The spelling of 41824781 in words is "forty-one million, eight hundred twenty-four thousand, seven hundred eighty-one".