41813 has 2 divisors, whose sum is σ = 41814. Its totient is φ = 41812.

The previous prime is 41809. The next prime is 41843. The reversal of 41813 is 31814.

It is a happy number.

41813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27889 + 13924 = 167^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 41813 - 2² = 41809 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 41791 and 41800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20906 + 20907.

It is an arithmetic number, because the mean of its divisors is an integer number (20907).

2⁴¹⁸¹³ is an apocalyptic number.

It is an amenable number.

41813 is a deficient number, since it is larger than the sum of its proper divisors (1).

41813 is an equidigital number, since it uses as much as digits as its factorization.

41813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 17.

The square root of 41813 is about 204.4822730703. The cubic root of 41813 is about 34.7086010454.

Subtracting from 41813 its reverse (31814), we obtain a palindrome (9999).

It can be divided in two parts, 41 and 813, that multiplied together give a palindrome (33333).

The spelling of 41813 in words is "forty-one thousand, eight hundred thirteen".