257294 has 8 divisors (see below), whose sum is σ = 390000. Its totient is φ = 127296.

The previous prime is 257293. The next prime is 257297. The reversal of 257294 is 492752.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419 + ... + 830.

It is an arithmetic number, because the mean of its divisors is an integer number (48750).

2²⁵⁷²⁹⁴ is an apocalyptic number.

257294 is a deficient number, since it is larger than the sum of its proper divisors (132706).

257294 is a wasteful number, since it uses less digits than its factorization.

257294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354.

The product of its digits is 5040, while the sum is 29.

The square root of 257294 is about 507.2415598115. The cubic root of 257294 is about 63.6028465427.

The spelling of 257294 in words is "two hundred fifty-seven thousand, two hundred ninety-four".