271289089 has 4 divisors (see below), whose sum is σ = 272505856. Its totient is φ = 270072324.

The previous prime is 271289063. The next prime is 271289093. The reversal of 271289089 is 980982172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 271289089 - 2⁷ = 271288961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (271289059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608049 + ... + 608494.

It is an arithmetic number, because the mean of its divisors is an integer number (68126464).

Almost surely, 2^271289089 is an apocalyptic number.

It is an amenable number.

271289089 is a deficient number, since it is larger than the sum of its proper divisors (1216767).

271289089 is a wasteful number, since it uses less digits than its factorization.

271289089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216766.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 271289089 is about 16470.8557458318. The cubic root of 271289089 is about 647.3573884279.

The spelling of 271289089 in words is "two hundred seventy-one million, two hundred eighty-nine thousand, eighty-nine".