271212881 has 2 divisors, whose sum is σ = 271212882. Its totient is φ = 271212880.

The previous prime is 271212857. The next prime is 271212937. The reversal of 271212881 is 188212172.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161696656 + 109516225 = 12716^2 + 10465^2 .

It is a cyclic number.

It is not a de Polignac number, because 271212881 - 2¹⁸ = 270950737 is a prime.

It is a super-2 number, since 2×271212881² = 147112853640640322, which contains 22 as substring.

It is equal to p_14773631 and since 271212881 and 14773631 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (271212841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135606440 + 135606441.

It is an arithmetic number, because the mean of its divisors is an integer number (135606441).

Almost surely, 2^271212881 is an apocalyptic number.

It is an amenable number.

271212881 is a deficient number, since it is larger than the sum of its proper divisors (1).

271212881 is an equidigital number, since it uses as much as digits as its factorization.

271212881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 32.

The square root of 271212881 is about 16468.5421637739. The cubic root of 271212881 is about 647.2967662183.

The spelling of 271212881 in words is "two hundred seventy-one million, two hundred twelve thousand, eight hundred eighty-one".