41000013 has 10 divisors (see below), whose sum is σ = 61247054. Its totient is φ = 27333288.

The previous prime is 40999999. The next prime is 41000017. The reversal of 41000013 is 31000014.

41000013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 27910089 + 13089924 = 5283^2 + 3618^2 .

It is not a de Polignac number, because 41000013 - 2¹² = 40995917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40999959 and 41000004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41000017) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 253006 + ... + 253167.

Almost surely, 2^41000013 is an apocalyptic number.

It is an amenable number.

41000013 is a deficient number, since it is larger than the sum of its proper divisors (20247041).

41000013 is an equidigital number, since it uses as much as digits as its factorization.

41000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506185 (or 506176 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 41000013 is about 6403.1252525622. The cubic root of 41000013 is about 344.8217604828.

Adding to 41000013 its reverse (31000014), we get a palindrome (72000027).

Subtracting from 41000013 its reverse (31000014), we obtain a palindrome (9999999).

The spelling of 41000013 in words is "forty-one million, thirteen", and thus it is an aban number and an uban number.