272307289 has 2 divisors, whose sum is σ = 272307290. Its totient is φ = 272307288.

The previous prime is 272307263. The next prime is 272307293. The reversal of 272307289 is 982703272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231283264 + 41024025 = 15208^2 + 6405^2 .

It is a cyclic number.

It is not a de Polignac number, because 272307289 - 2⁵ = 272307257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (272307239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136153644 + 136153645.

It is an arithmetic number, because the mean of its divisors is an integer number (136153645).

Almost surely, 2^272307289 is an apocalyptic number.

It is an amenable number.

272307289 is a deficient number, since it is larger than the sum of its proper divisors (1).

272307289 is an equidigital number, since it uses as much as digits as its factorization.

272307289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 272307289 is about 16501.7359389853. The cubic root of 272307289 is about 648.1662628099.

The spelling of 272307289 in words is "two hundred seventy-two million, three hundred seven thousand, two hundred eighty-nine".