271142321 has 2 divisors, whose sum is σ = 271142322. Its totient is φ = 271142320.

The previous prime is 271142309. The next prime is 271142323. The reversal of 271142321 is 123241172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166693921 + 104448400 = 12911^2 + 10220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-271142321 is a prime.

Together with 271142323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (271142323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135571160 + 135571161.

It is an arithmetic number, because the mean of its divisors is an integer number (135571161).

Almost surely, 2^271142321 is an apocalyptic number.

It is an amenable number.

271142321 is a deficient number, since it is larger than the sum of its proper divisors (1).

271142321 is an equidigital number, since it uses as much as digits as its factorization.

271142321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 271142321 is about 16466.3997582957. The cubic root of 271142321 is about 647.2406267740.

Adding to 271142321 its reverse (123241172), we get a palindrome (394383493).

The spelling of 271142321 in words is "two hundred seventy-one million, one hundred forty-two thousand, three hundred twenty-one".