41490409 has 2 divisors, whose sum is σ = 41490410. Its totient is φ = 41490408.

The previous prime is 41490403. The next prime is 41490419. The reversal of 41490409 is 90409414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37699600 + 3790809 = 6140^2 + 1947^2 .

It is a cyclic number.

It is not a de Polignac number, because 41490409 - 2¹⁵ = 41457641 is a prime.

It is not a weakly prime, because it can be changed into another prime (41490403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20745204 + 20745205.

It is an arithmetic number, because the mean of its divisors is an integer number (20745205).

Almost surely, 2^41490409 is an apocalyptic number.

It is an amenable number.

41490409 is a deficient number, since it is larger than the sum of its proper divisors (1).

41490409 is an equidigital number, since it uses as much as digits as its factorization.

41490409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 41490409 is about 6441.3049143788. The cubic root of 41490409 is about 346.1911052936.

The spelling of 41490409 in words is "forty-one million, four hundred ninety thousand, four hundred nine".