271964321 has 2 divisors, whose sum is σ = 271964322. Its totient is φ = 271964320.

The previous prime is 271964311. The next prime is 271964389. The reversal of 271964321 is 123469172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140541025 + 131423296 = 11855^2 + 11464^2 .

It is a cyclic number.

It is not a de Polignac number, because 271964321 - 2¹⁴ = 271947937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (271964311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135982160 + 135982161.

It is an arithmetic number, because the mean of its divisors is an integer number (135982161).

Almost surely, 2^271964321 is an apocalyptic number.

It is an amenable number.

271964321 is a deficient number, since it is larger than the sum of its proper divisors (1).

271964321 is an equidigital number, since it uses as much as digits as its factorization.

271964321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 271964321 is about 16491.3407884259. The cubic root of 271964321 is about 647.8940290879.

The spelling of 271964321 in words is "two hundred seventy-one million, nine hundred sixty-four thousand, three hundred twenty-one".