257241274271 has 16 divisors (see below), whose sum is σ = 273411702720. Its totient is φ = 241187182080.

The previous prime is 257241274231. The next prime is 257241274273. The reversal of 257241274271 is 172472142752.

It is a cyclic number.

It is not a de Polignac number, because 257241274271 - 2⁶ = 257241274207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257241274273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9444845 + ... + 9472041.

It is an arithmetic number, because the mean of its divisors is an integer number (17088231420).

Almost surely, 2^257241274271 is an apocalyptic number.

257241274271 is a deficient number, since it is larger than the sum of its proper divisors (16170428449).

257241274271 is a wasteful number, since it uses less digits than its factorization.

257241274271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29314.

The product of its digits is 439040, while the sum is 44.

The spelling of 257241274271 in words is "two hundred fifty-seven billion, two hundred forty-one million, two hundred seventy-four thousand, two hundred seventy-one".