257110271 has 4 divisors (see below), whose sum is σ = 280483944. Its totient is φ = 233736600.

The previous prime is 257110247. The next prime is 257110279. The reversal of 257110271 is 172011752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 257110271 - 2⁶ = 257110207 is a prime.

It is a super-2 number, since 2×257110271² = 132211382907386882, which contains 22 as substring.

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 257110271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257110279) 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, 11686820 + ... + 11686841.

It is an arithmetic number, because the mean of its divisors is an integer number (70120986).

Almost surely, 2^257110271 is an apocalyptic number.

257110271 is a deficient number, since it is larger than the sum of its proper divisors (23373673).

257110271 is a wasteful number, since it uses less digits than its factorization.

257110271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23373672.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 257110271 is about 16034.6584310362. The cubic root of 257110271 is about 635.8770372292.

The spelling of 257110271 in words is "two hundred fifty-seven million, one hundred ten thousand, two hundred seventy-one".