241272209 has 2 divisors, whose sum is σ = 241272210. Its totient is φ = 241272208.

The previous prime is 241272151. The next prime is 241272233. The reversal of 241272209 is 902272142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237930625 + 3341584 = 15425^2 + 1828^2 .

It is a cyclic number.

It is not a de Polignac number, because 241272209 - 2²⁴ = 224494993 is a prime.

It is equal to p_13227671 and since 241272209 and 13227671 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (241272259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120636104 + 120636105.

It is an arithmetic number, because the mean of its divisors is an integer number (120636105).

Almost surely, 2^241272209 is an apocalyptic number.

It is an amenable number.

241272209 is a deficient number, since it is larger than the sum of its proper divisors (1).

241272209 is an equidigital number, since it uses as much as digits as its factorization.

241272209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 241272209 is about 15532.9394835620. The cubic root of 241272209 is about 622.5426358544.

The spelling of 241272209 in words is "two hundred forty-one million, two hundred seventy-two thousand, two hundred nine".