257314 has 4 divisors (see below), whose sum is σ = 385974. Its totient is φ = 128656.

The previous prime is 257311. The next prime is 257321. The reversal of 257314 is 413752.

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., 233289 + 24025 = 483^2 + 155^2 .

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (257311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64327 + ... + 64330.

2²⁵⁷³¹⁴ is an apocalyptic number.

257314 is a deficient number, since it is larger than the sum of its proper divisors (128660).

257314 is a wasteful number, since it uses less digits than its factorization.

257314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128659.

The product of its digits is 840, while the sum is 22.

The square root of 257314 is about 507.2612739013. The cubic root of 257314 is about 63.6044944940.

The spelling of 257314 in words is "two hundred fifty-seven thousand, three hundred fourteen".