272430289 has 2 divisors, whose sum is σ = 272430290. Its totient is φ = 272430288.

The previous prime is 272430269. The next prime is 272430293. The reversal of 272430289 is 982034272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164685889 + 107744400 = 12833^2 + 10380^2 .

It is a cyclic number.

It is not a de Polignac number, because 272430289 - 2⁷ = 272430161 is a prime.

It is equal to p_14836366 and since 272430289 and 14836366 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 (272430269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136215144 + 136215145.

It is an arithmetic number, because the mean of its divisors is an integer number (136215145).

Almost surely, 2^272430289 is an apocalyptic number.

It is an amenable number.

272430289 is a deficient number, since it is larger than the sum of its proper divisors (1).

272430289 is an equidigital number, since it uses as much as digits as its factorization.

272430289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 272430289 is about 16505.4623988545. The cubic root of 272430289 is about 648.2638393993.

The spelling of 272430289 in words is "two hundred seventy-two million, four hundred thirty thousand, two hundred eighty-nine".