41491531 has 2 divisors, whose sum is σ = 41491532. Its totient is φ = 41491530.

The previous prime is 41491519. The next prime is 41491561. The reversal of 41491531 is 13519414.

41491531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41491531 - 2⁷ = 41491403 is a prime.

It is a super-2 number, since 2×41491531² = 3443094289447922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41491531.

It is not a weakly prime, because it can be changed into another prime (41491561) 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 as a sum of consecutive naturals, namely, 20745765 + 20745766.

It is an arithmetic number, because the mean of its divisors is an integer number (20745766).

Almost surely, 2^41491531 is an apocalyptic number.

41491531 is a deficient number, since it is larger than the sum of its proper divisors (1).

41491531 is an equidigital number, since it uses as much as digits as its factorization.

41491531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 41491531 is about 6441.3920079436. The cubic root of 41491531 is about 346.1942258776.

The spelling of 41491531 in words is "forty-one million, four hundred ninety-one thousand, five hundred thirty-one".