271255591 has 8 divisors (see below), whose sum is σ = 272883744. Its totient is φ = 269632800.

The previous prime is 271255561. The next prime is 271255613. The reversal of 271255591 is 195552172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 5-Lehmer number, since φ(271255591) divides (271255591-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 271255591 - 2⁵ = 271255559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 271255591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271255511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141741 + ... + 143641.

It is an arithmetic number, because the mean of its divisors is an integer number (34110468).

Almost surely, 2^271255591 is an apocalyptic number.

271255591 is a deficient number, since it is larger than the sum of its proper divisors (1628153).

271255591 is a wasteful number, since it uses less digits than its factorization.

271255591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681.

The product of its digits is 31500, while the sum is 37.

The square root of 271255591 is about 16469.8388273838. The cubic root of 271255591 is about 647.3307427188.

The spelling of 271255591 in words is "two hundred seventy-one million, two hundred fifty-five thousand, five hundred ninety-one".