41001409 has 2 divisors, whose sum is σ = 41001410. Its totient is φ = 41001408.

The previous prime is 41001379. The next prime is 41001431. The reversal of 41001409 is 90410014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23961025 + 17040384 = 4895^2 + 4128^2 .

It is a cyclic number.

It is not a de Polignac number, because 41001409 - 2¹⁷ = 40870337 is a prime.

It is a super-2 number, since 2×41001409² = 3362231079970562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41001469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20500704 + 20500705.

It is an arithmetic number, because the mean of its divisors is an integer number (20500705).

Almost surely, 2^41001409 is an apocalyptic number.

It is an amenable number.

41001409 is a deficient number, since it is larger than the sum of its proper divisors (1).

41001409 is an equidigital number, since it uses as much as digits as its factorization.

41001409 is an odious number, because the sum of its binary digits is odd.

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

The square root of 41001409 is about 6403.2342609028. The cubic root of 41001409 is about 344.8256740240.

The spelling of 41001409 in words is "forty-one million, one thousand, four hundred nine".