271849427 has 2 divisors, whose sum is σ = 271849428. Its totient is φ = 271849426.

The previous prime is 271849381. The next prime is 271849429. The reversal of 271849427 is 724948172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 271849427 - 2¹⁰ = 271848403 is a prime.

It is a super-2 number, since 2×271849427² = 147804221920456658, which contains 22 as substring.

Together with 271849429, 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 (271849429) 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, 135924713 + 135924714.

It is an arithmetic number, because the mean of its divisors is an integer number (135924714).

Almost surely, 2^271849427 is an apocalyptic number.

271849427 is a deficient number, since it is larger than the sum of its proper divisors (1).

271849427 is an equidigital number, since it uses as much as digits as its factorization.

271849427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 44.

The square root of 271849427 is about 16487.8569559540. The cubic root of 271849427 is about 647.8027798372.

The spelling of 271849427 in words is "two hundred seventy-one million, eight hundred forty-nine thousand, four hundred twenty-seven".