41835581 has 2 divisors, whose sum is σ = 41835582. Its totient is φ = 41835580.

The previous prime is 41835503. The next prime is 41835583. The reversal of 41835581 is 18553814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34409956 + 7425625 = 5866^2 + 2725^2 .

It is a cyclic number.

It is not a de Polignac number, because 41835581 - 2¹⁸ = 41573437 is a prime.

It is a super-2 number, since 2×41835581² = 3500431675215122, which contains 22 as substring.

Together with 41835583, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41835583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20917790 + 20917791.

It is an arithmetic number, because the mean of its divisors is an integer number (20917791).

Almost surely, 2^41835581 is an apocalyptic number.

It is an amenable number.

41835581 is a deficient number, since it is larger than the sum of its proper divisors (1).

41835581 is an equidigital number, since it uses as much as digits as its factorization.

41835581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 35.

The square root of 41835581 is about 6468.0430579890. The cubic root of 41835581 is about 347.1484801703.

The spelling of 41835581 in words is "forty-one million, eight hundred thirty-five thousand, five hundred eighty-one".