271216651 has 2 divisors, whose sum is σ = 271216652. Its totient is φ = 271216650.

The previous prime is 271216643. The next prime is 271216669. The reversal of 271216651 is 156612172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 271216651 - 2³ = 271216643 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (271216601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135608325 + 135608326.

It is an arithmetic number, because the mean of its divisors is an integer number (135608326).

Almost surely, 2^271216651 is an apocalyptic number.

271216651 is a deficient number, since it is larger than the sum of its proper divisors (1).

271216651 is an equidigital number, since it uses as much as digits as its factorization.

271216651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 271216651 is about 16468.6566240237. The cubic root of 271216651 is about 647.2997654582.

The spelling of 271216651 in words is "two hundred seventy-one million, two hundred sixteen thousand, six hundred fifty-one".