485257 has 6 divisors (see below), whose sum is σ = 503438. Its totient is φ = 467712.

The previous prime is 485209. The next prime is 485263. The reversal of 485257 is 752584.

485257 is an esthetic number in base 16, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 3 ways, for example, as 234256 + 251001 = 484^2 + 501^2 .

It is not a de Polignac number, because 485257 - 2¹¹ = 483209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485207) 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 5 ways as a sum of consecutive naturals, for example, 553 + ... + 1129.

2⁴⁸⁵²⁵⁷ is an apocalyptic number.

It is an amenable number.

485257 is a deficient number, since it is larger than the sum of its proper divisors (18181).

485257 is an equidigital number, since it uses as much as digits as its factorization.

485257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 606 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 485257 is about 696.6039046689. The cubic root of 485257 is about 78.5821553242.

The spelling of 485257 in words is "four hundred eighty-five thousand, two hundred fifty-seven".