271157213 has 2 divisors, whose sum is σ = 271157214. Its totient is φ = 271157212.

The previous prime is 271157209. The next prime is 271157233. The reversal of 271157213 is 312751172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139665124 + 131492089 = 11818^2 + 11467^2 .

It is a cyclic number.

It is not a de Polignac number, because 271157213 - 2² = 271157209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271157233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135578606 + 135578607.

It is an arithmetic number, because the mean of its divisors is an integer number (135578607).

Almost surely, 2^271157213 is an apocalyptic number.

It is an amenable number.

271157213 is a deficient number, since it is larger than the sum of its proper divisors (1).

271157213 is an equidigital number, since it uses as much as digits as its factorization.

271157213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2940, while the sum is 29.

The square root of 271157213 is about 16466.8519456513. The cubic root of 271157213 is about 647.2524760628.

The spelling of 271157213 in words is "two hundred seventy-one million, one hundred fifty-seven thousand, two hundred thirteen".