941040209 has 2 divisors, whose sum is σ = 941040210. Its totient is φ = 941040208.

The previous prime is 941040197. The next prime is 941040271. The reversal of 941040209 is 902040149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 591462400 + 349577809 = 24320^2 + 18697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-941040209 is a prime.

It is a super-3 number, since 3×941040209³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (941040109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470520104 + 470520105.

It is an arithmetic number, because the mean of its divisors is an integer number (470520105).

Almost surely, 2^941040209 is an apocalyptic number.

It is an amenable number.

941040209 is a deficient number, since it is larger than the sum of its proper divisors (1).

941040209 is an equidigital number, since it uses as much as digits as its factorization.

941040209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 941040209 is about 30676.3786813242. The cubic root of 941040209 is about 979.9473139106.

The spelling of 941040209 in words is "nine hundred forty-one million, forty thousand, two hundred nine".