41513165 has 4 divisors (see below), whose sum is σ = 49815804. Its totient is φ = 33210528.

The previous prime is 41513161. The next prime is 41513177. The reversal of 41513165 is 56131514.

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 29658916 + 11854249 = 5446^2 + 3443^2 .

It is a cyclic number.

It is not a de Polignac number, because 41513165 - 2² = 41513161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41513161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4151312 + ... + 4151321.

It is an arithmetic number, because the mean of its divisors is an integer number (12453951).

Almost surely, 2^41513165 is an apocalyptic number.

It is an amenable number.

41513165 is a deficient number, since it is larger than the sum of its proper divisors (8302639).

41513165 is an equidigital number, since it uses as much as digits as its factorization.

41513165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8302638.

The product of its digits is 1800, while the sum is 26.

The square root of 41513165 is about 6443.0710845062. The cubic root of 41513165 is about 346.2543848576.

Adding to 41513165 its reverse (56131514), we get a palindrome (97644679).

The spelling of 41513165 in words is "forty-one million, five hundred thirteen thousand, one hundred sixty-five".