41491061 has 2 divisors, whose sum is σ = 41491062. Its totient is φ = 41491060.

The previous prime is 41491049. The next prime is 41491081. The reversal of 41491061 is 16019414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40322500 + 1168561 = 6350^2 + 1081^2 .

It is a cyclic number.

It is not a de Polignac number, because 41491061 - 2¹⁰ = 41490037 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41491061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41491031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20745530 + 20745531.

It is an arithmetic number, because the mean of its divisors is an integer number (20745531).

Almost surely, 2^41491061 is an apocalyptic number.

It is an amenable number.

41491061 is a deficient number, since it is larger than the sum of its proper divisors (1).

41491061 is an equidigital number, since it uses as much as digits as its factorization.

41491061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 41491061 is about 6441.3555250428. The cubic root of 41491061 is about 346.1929186879.

The spelling of 41491061 in words is "forty-one million, four hundred ninety-one thousand, sixty-one".