272365217 has 2 divisors, whose sum is σ = 272365218. Its totient is φ = 272365216.

The previous prime is 272365213. The next prime is 272365237. The reversal of 272365217 is 712563272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267682321 + 4682896 = 16361^2 + 2164^2 .

It is a cyclic number.

It is not a de Polignac number, because 272365217 - 2² = 272365213 is a prime.

It is a super-2 number, since 2×272365217² = 148365622862914178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (272365213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136182608 + 136182609.

It is an arithmetic number, because the mean of its divisors is an integer number (136182609).

Almost surely, 2^272365217 is an apocalyptic number.

It is an amenable number.

272365217 is a deficient number, since it is larger than the sum of its proper divisors (1).

272365217 is an equidigital number, since it uses as much as digits as its factorization.

272365217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 272365217 is about 16503.4910549253. The cubic root of 272365217 is about 648.2122210767.

The spelling of 272365217 in words is "two hundred seventy-two million, three hundred sixty-five thousand, two hundred seventeen".