41815 has 4 divisors (see below), whose sum is σ = 50184. Its totient is φ = 33448.

The previous prime is 41813. The next prime is 41843. The reversal of 41815 is 51814.

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

It is a cyclic number.

It is not a de Polignac number, because 41815 - 2¹ = 41813 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 41792 and 41801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41813) 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, 4177 + ... + 4186.

It is an arithmetic number, because the mean of its divisors is an integer number (12546).

2⁴¹⁸¹⁵ is an apocalyptic number.

41815 is a deficient number, since it is larger than the sum of its proper divisors (8369).

41815 is an equidigital number, since it uses as much as digits as its factorization.

41815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8368.

The product of its digits is 160, while the sum is 19.

The square root of 41815 is about 204.4871634113. The cubic root of 41815 is about 34.7091544307.

Subtracting 41815 from its reverse (51814), we obtain a palindrome (9999).

It can be divided in two parts, 4181 and 5, that added together give a triangular number (4186 = T₉₁).

The spelling of 41815 in words is "forty-one thousand, eight hundred fifteen".