41002909 has 2 divisors, whose sum is σ = 41002910. Its totient is φ = 41002908.

The previous prime is 41002889. The next prime is 41002933. The reversal of 41002909 is 90920014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22297284 + 18705625 = 4722^2 + 4325^2 .

It is a cyclic number.

It is not a de Polignac number, because 41002909 - 2⁵ = 41002877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41002609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20501454 + 20501455.

It is an arithmetic number, because the mean of its divisors is an integer number (20501455).

Almost surely, 2^41002909 is an apocalyptic number.

It is an amenable number.

41002909 is a deficient number, since it is larger than the sum of its proper divisors (1).

41002909 is an equidigital number, since it uses as much as digits as its factorization.

41002909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 41002909 is about 6403.3513881404. The cubic root of 41002909 is about 344.8298790194.

The spelling of 41002909 in words is "forty-one million, two thousand, nine hundred nine".