272241217 has 2 divisors, whose sum is σ = 272241218. Its totient is φ = 272241216.

The previous prime is 272241209. The next prime is 272241239. The reversal of 272241217 is 712142272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272118016 + 123201 = 16496^2 + 351^2 .

It is a cyclic number.

It is not a de Polignac number, because 272241217 - 2³ = 272241209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (272241917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136120608 + 136120609.

It is an arithmetic number, because the mean of its divisors is an integer number (136120609).

Almost surely, 2^272241217 is an apocalyptic number.

It is an amenable number.

272241217 is a deficient number, since it is larger than the sum of its proper divisors (1).

272241217 is an equidigital number, since it uses as much as digits as its factorization.

272241217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3136, while the sum is 28.

The square root of 272241217 is about 16499.7338463382. The cubic root of 272241217 is about 648.1138353903.

Adding to 272241217 its reverse (712142272), we get a palindrome (984383489).

It can be divided in two parts, 27224 and 1217, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 272241217 in words is "two hundred seventy-two million, two hundred forty-one thousand, two hundred seventeen".