257282 has 8 divisors (see below), whose sum is σ = 388476. Its totient is φ = 127792.

The previous prime is 257281. The next prime is 257287. The reversal of 257282 is 282752.

257282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 249001 + 8281 = 499^2 + 91^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 257282.

It is not an unprimeable number, because it can be changed into a prime (257281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 720.

2²⁵⁷²⁸² is an apocalyptic number.

257282 is a deficient number, since it is larger than the sum of its proper divisors (131194).

257282 is a wasteful number, since it uses less digits than its factorization.

257282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852.

The product of its digits is 2240, while the sum is 26.

The square root of 257282 is about 507.2297309898. The cubic root of 257282 is about 63.6018577309.

The spelling of 257282 in words is "two hundred fifty-seven thousand, two hundred eighty-two".