272335321 has 2 divisors, whose sum is σ = 272335322. Its totient is φ = 272335320.

The previous prime is 272335319. The next prime is 272335351. The reversal of 272335321 is 123533272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173054025 + 99281296 = 13155^2 + 9964^2 .

It is a cyclic number.

It is not a de Polignac number, because 272335321 - 2¹ = 272335319 is a prime.

Together with 272335319, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 272335321.

It is not a weakly prime, because it can be changed into another prime (272335351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136167660 + 136167661.

It is an arithmetic number, because the mean of its divisors is an integer number (136167661).

Almost surely, 2^272335321 is an apocalyptic number.

It is an amenable number.

272335321 is a deficient number, since it is larger than the sum of its proper divisors (1).

272335321 is an equidigital number, since it uses as much as digits as its factorization.

272335321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 28.

The square root of 272335321 is about 16502.5852823126. The cubic root of 272335321 is about 648.1885033374.

Adding to 272335321 its reverse (123533272), we get a palindrome (395868593).

The spelling of 272335321 in words is "two hundred seventy-two million, three hundred thirty-five thousand, three hundred twenty-one".