41818013 has 2 divisors, whose sum is σ = 41818014. Its totient is φ = 41818012.

The previous prime is 41818003. The next prime is 41818027. The reversal of 41818013 is 31081814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29300569 + 12517444 = 5413^2 + 3538^2 .

It is a cyclic number.

It is not a de Polignac number, because 41818013 - 2⁶ = 41817949 is a prime.

It is a super-2 number, since 2×41818013² = 3497492422536338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41818003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20909006 + 20909007.

It is an arithmetic number, because the mean of its divisors is an integer number (20909007).

Almost surely, 2^41818013 is an apocalyptic number.

It is an amenable number.

41818013 is a deficient number, since it is larger than the sum of its proper divisors (1).

41818013 is an equidigital number, since it uses as much as digits as its factorization.

41818013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 41818013 is about 6466.6848539263. The cubic root of 41818013 is about 347.0998807227.

Adding to 41818013 its reverse (31081814), we get a palindrome (72899827).

The spelling of 41818013 in words is "forty-one million, eight hundred eighteen thousand, thirteen".