41409481 has 2 divisors, whose sum is σ = 41409482. Its totient is φ = 41409480.

The previous prime is 41409479. The next prime is 41409497. The reversal of 41409481 is 18490414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41409225 + 256 = 6435^2 + 16^2 .

It is a cyclic number.

It is not a de Polignac number, because 41409481 - 2¹ = 41409479 is a prime.

It is a super-2 number, since 2×41409481² = 3429490233378722, which contains 22 as substring.

Together with 41409479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (41409421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20704740 + 20704741.

It is an arithmetic number, because the mean of its divisors is an integer number (20704741).

Almost surely, 2^41409481 is an apocalyptic number.

It is an amenable number.

41409481 is a deficient number, since it is larger than the sum of its proper divisors (1).

41409481 is an equidigital number, since it uses as much as digits as its factorization.

41409481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 41409481 is about 6435.0198911891. The cubic root of 41409481 is about 345.9658742112.

Adding to 41409481 its reverse (18490414), we get a palindrome (59899895).

The spelling of 41409481 in words is "forty-one million, four hundred nine thousand, four hundred eighty-one".