271328609 has 2 divisors, whose sum is σ = 271328610. Its totient is φ = 271328608.

The previous prime is 271328597. The next prime is 271328623. The reversal of 271328609 is 906823172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263347984 + 7980625 = 16228^2 + 2825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-271328609 is a prime.

It is not a weakly prime, because it can be changed into another prime (271328009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135664304 + 135664305.

It is an arithmetic number, because the mean of its divisors is an integer number (135664305).

Almost surely, 2^271328609 is an apocalyptic number.

It is an amenable number.

271328609 is a deficient number, since it is larger than the sum of its proper divisors (1).

271328609 is an equidigital number, since it uses as much as digits as its factorization.

271328609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 271328609 is about 16472.0553969442. The cubic root of 271328609 is about 647.3888214672.

The spelling of 271328609 in words is "two hundred seventy-one million, three hundred twenty-eight thousand, six hundred nine".