257914 has 8 divisors (see below), whose sum is σ = 396000. Its totient is φ = 125916.

The previous prime is 257903. The next prime is 257921. The reversal of 257914 is 419752.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414 + ... + 1585.

It is an arithmetic number, because the mean of its divisors is an integer number (49500).

2²⁵⁷⁹¹⁴ is an apocalyptic number.

257914 is a deficient number, since it is larger than the sum of its proper divisors (138086).

257914 is a wasteful number, since it uses less digits than its factorization.

257914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044.

The product of its digits is 2520, while the sum is 28.

The square root of 257914 is about 507.8523407448. The cubic root of 257914 is about 63.6538933772.

The spelling of 257914 in words is "two hundred fifty-seven thousand, nine hundred fourteen".