41406109 has 2 divisors, whose sum is σ = 41406110. Its totient is φ = 41406108.

The previous prime is 41406083. The next prime is 41406137. The reversal of 41406109 is 90160414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41242084 + 164025 = 6422^2 + 405^2 .

It is a cyclic number.

It is not a de Polignac number, because 41406109 - 2⁷ = 41405981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41406199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20703054 + 20703055.

It is an arithmetic number, because the mean of its divisors is an integer number (20703055).

Almost surely, 2^41406109 is an apocalyptic number.

It is an amenable number.

41406109 is a deficient number, since it is larger than the sum of its proper divisors (1).

41406109 is an equidigital number, since it uses as much as digits as its factorization.

41406109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 41406109 is about 6434.7578820030. The cubic root of 41406109 is about 345.9564832170.

The spelling of 41406109 in words is "forty-one million, four hundred six thousand, one hundred nine".