41133661 has 2 divisors, whose sum is σ = 41133662. Its totient is φ = 41133660.

The previous prime is 41133593. The next prime is 41133713. The reversal of 41133661 is 16633114.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29702500 + 11431161 = 5450^2 + 3381^2 .

It is a cyclic number.

It is not a de Polignac number, because 41133661 - 2¹⁵ = 41100893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41133161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20566830 + 20566831.

It is an arithmetic number, because the mean of its divisors is an integer number (20566831).

Almost surely, 2^41133661 is an apocalyptic number.

It is an amenable number.

41133661 is a deficient number, since it is larger than the sum of its proper divisors (1).

41133661 is an equidigital number, since it uses as much as digits as its factorization.

41133661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 41133661 is about 6413.5529155063. The cubic root of 41133661 is about 345.1960266641.

Adding to 41133661 its reverse (16633114), we get a palindrome (57766775).

The spelling of 41133661 in words is "forty-one million, one hundred thirty-three thousand, six hundred sixty-one".