271148947 has 4 divisors (see below), whose sum is σ = 271185840. Its totient is φ = 271112056.

The previous prime is 271148897. The next prime is 271148953. The reversal of 271148947 is 749841172.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 271148947 - 2⁷ = 271148819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (271148957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3247 + ... + 23512.

It is an arithmetic number, because the mean of its divisors is an integer number (67796460).

Almost surely, 2^271148947 is an apocalyptic number.

271148947 is a deficient number, since it is larger than the sum of its proper divisors (36893).

271148947 is a wasteful number, since it uses less digits than its factorization.

271148947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36892.

The product of its digits is 112896, while the sum is 43.

The square root of 271148947 is about 16466.6009546597. The cubic root of 271148947 is about 647.2458990132.

The spelling of 271148947 in words is "two hundred seventy-one million, one hundred forty-eight thousand, nine hundred forty-seven".