41491 has 2 divisors, whose sum is σ = 41492. Its totient is φ = 41490.

The previous prime is 41479. The next prime is 41507. The reversal of 41491 is 19414.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41491 - 2¹¹ = 39443 is a prime.

It is a Chen prime.

It is equal to p₄₃₃₉ and since 41491 and 4339 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is not a weakly prime, because it can be changed into another prime (41411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20745 + 20746.

It is an arithmetic number, because the mean of its divisors is an integer number (20746).

2⁴¹⁴⁹¹ is an apocalyptic number.

41491 is a deficient number, since it is larger than the sum of its proper divisors (1).

41491 is an equidigital number, since it uses as much as digits as its factorization.

41491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 19.

The square root of 41491 is about 203.6933970457. The cubic root of 41491 is about 34.6192749031.

It can be divided in two parts, 414 and 91, that added together give a palindrome (505).

The spelling of 41491 in words is "forty-one thousand, four hundred ninety-one".