41261881 has 2 divisors, whose sum is σ = 41261882. Its totient is φ = 41261880.

The previous prime is 41261879. The next prime is 41261887. The reversal of 41261881 is 18816214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37100281 + 4161600 = 6091^2 + 2040^2 .

It is a cyclic number.

It is not a de Polignac number, because 41261881 - 2¹ = 41261879 is a prime.

It is a super-2 number, since 2×41261881² = 3405085647316322, which contains 22 as substring.

Together with 41261879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (41261887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20630940 + 20630941.

It is an arithmetic number, because the mean of its divisors is an integer number (20630941).

Almost surely, 2^41261881 is an apocalyptic number.

It is an amenable number.

41261881 is a deficient number, since it is larger than the sum of its proper divisors (1).

41261881 is an equidigital number, since it uses as much as digits as its factorization.

41261881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 31.

The square root of 41261881 is about 6423.5411573368. The cubic root of 41261881 is about 345.5543311398.

The spelling of 41261881 in words is "forty-one million, two hundred sixty-one thousand, eight hundred eighty-one".