257676271 has 8 divisors (see below), whose sum is σ = 274287600. Its totient is φ = 241369920.

The previous prime is 257676257. The next prime is 257676283. The reversal of 257676271 is 172676752.

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

It is not a de Polignac number, because 257676271 - 2⁷ = 257676143 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 (257676241) 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, 74500 + ... + 77881.

It is an arithmetic number, because the mean of its divisors is an integer number (34285950).

Almost surely, 2^257676271 is an apocalyptic number.

257676271 is a deficient number, since it is larger than the sum of its proper divisors (16611329).

257676271 is a wasteful number, since it uses less digits than its factorization.

257676271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152489.

The product of its digits is 246960, while the sum is 43.

The square root of 257676271 is about 16052.2979974831. The cubic root of 257676271 is about 636.3432997218.

The spelling of 257676271 in words is "two hundred fifty-seven million, six hundred seventy-six thousand, two hundred seventy-one".