41551165 has 4 divisors (see below), whose sum is σ = 49861404. Its totient is φ = 33240928.

The previous prime is 41551151. The next prime is 41551177. The reversal of 41551165 is 56115514.

It is a happy number.

41551165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23454649 + 18096516 = 4843^2 + 4254^2 .

It is a cyclic number.

It is not a de Polignac number, because 41551165 - 2¹¹ = 41549117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4155112 + ... + 4155121.

It is an arithmetic number, because the mean of its divisors is an integer number (12465351).

Almost surely, 2^41551165 is an apocalyptic number.

It is an amenable number.

41551165 is a deficient number, since it is larger than the sum of its proper divisors (8310239).

41551165 is an equidigital number, since it uses as much as digits as its factorization.

41551165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8310238.

The product of its digits is 3000, while the sum is 28.

The square root of 41551165 is about 6446.0193142745. The cubic root of 41551165 is about 346.3600031913.

Adding to 41551165 its reverse (56115514), we get a palindrome (97666679).

The spelling of 41551165 in words is "forty-one million, five hundred fifty-one thousand, one hundred sixty-five".