257714 has 4 divisors (see below), whose sum is σ = 386574. Its totient is φ = 128856.

The previous prime is 257713. The next prime is 257717. The reversal of 257714 is 417752.

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

It can be written as a sum of positive squares in only one way, i.e., 187489 + 70225 = 433^2 + 265^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (257711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64427 + ... + 64430.

2²⁵⁷⁷¹⁴ is an apocalyptic number.

257714 is a deficient number, since it is larger than the sum of its proper divisors (128860).

257714 is a wasteful number, since it uses less digits than its factorization.

257714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128859.

The product of its digits is 1960, while the sum is 26.

The square root of 257714 is about 507.6553949285. The cubic root of 257714 is about 63.6374356035.

The spelling of 257714 in words is "two hundred fifty-seven thousand, seven hundred fourteen".