271256257 has 2 divisors, whose sum is σ = 271256258. Its totient is φ = 271256256.

The previous prime is 271256243. The next prime is 271256299. The reversal of 271256257 is 752652172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204032656 + 67223601 = 14284^2 + 8199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-271256257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (271256207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135628128 + 135628129.

It is an arithmetic number, because the mean of its divisors is an integer number (135628129).

Almost surely, 2^271256257 is an apocalyptic number.

It is an amenable number.

271256257 is a deficient number, since it is larger than the sum of its proper divisors (1).

271256257 is an equidigital number, since it uses as much as digits as its factorization.

271256257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58800, while the sum is 37.

The square root of 271256257 is about 16469.8590461485. The cubic root of 271256257 is about 647.3312725045.

The spelling of 271256257 in words is "two hundred seventy-one million, two hundred fifty-six thousand, two hundred fifty-seven".