41126581 has 4 divisors (see below), whose sum is σ = 41141452. Its totient is φ = 41111712.

The previous prime is 41126549. The next prime is 41126609. The reversal of 41126581 is 18562114.

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 5616900 + 35509681 = 2370^2 + 5959^2 .

It is a cyclic number.

It is not a de Polignac number, because 41126581 - 2⁵ = 41126549 is a prime.

It is a super-2 number, since 2×41126581² = 3382791329499122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41129581) 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, 1926 + ... + 9271.

It is an arithmetic number, because the mean of its divisors is an integer number (10285363).

Almost surely, 2^41126581 is an apocalyptic number.

It is an amenable number.

41126581 is a deficient number, since it is larger than the sum of its proper divisors (14871).

41126581 is a wasteful number, since it uses less digits than its factorization.

41126581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14870.

The product of its digits is 1920, while the sum is 28.

The square root of 41126581 is about 6413.0009355995. Note that the first 3 decimals coincide. The cubic root of 41126581 is about 345.1762202732.

Adding to 41126581 its reverse (18562114), we get a palindrome (59688695).

The spelling of 41126581 in words is "forty-one million, one hundred twenty-six thousand, five hundred eighty-one".