41540281 has 2 divisors, whose sum is σ = 41540282. Its totient is φ = 41540280.

The previous prime is 41540273. The next prime is 41540293. The reversal of 41540281 is 18204514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23765625 + 17774656 = 4875^2 + 4216^2 .

It is a cyclic number.

It is not a de Polignac number, because 41540281 - 2³ = 41540273 is a prime.

It is a super-2 number, since 2×41540281² = 3451189891117922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41540981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20770140 + 20770141.

It is an arithmetic number, because the mean of its divisors is an integer number (20770141).

Almost surely, 2^41540281 is an apocalyptic number.

It is an amenable number.

41540281 is a deficient number, since it is larger than the sum of its proper divisors (1).

41540281 is an equidigital number, since it uses as much as digits as its factorization.

41540281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 41540281 is about 6445.1750170185. The cubic root of 41540281 is about 346.3297584599.

Adding to 41540281 its reverse (18204514), we get a palindrome (59744795).

The spelling of 41540281 in words is "forty-one million, five hundred forty thousand, two hundred eighty-one".