485657 has 2 divisors, whose sum is σ = 485658. Its totient is φ = 485656.

The previous prime is 485647. The next prime is 485671. The reversal of 485657 is 756584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259081 + 226576 = 509^2 + 476^2 .

It is a cyclic number.

It is not a de Polignac number, because 485657 - 2⁶ = 485593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (485647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242828 + 242829.

It is an arithmetic number, because the mean of its divisors is an integer number (242829).

2⁴⁸⁵⁶⁵⁷ is an apocalyptic number.

It is an amenable number.

485657 is a deficient number, since it is larger than the sum of its proper divisors (1).

485657 is an equidigital number, since it uses as much as digits as its factorization.

485657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 35.

The square root of 485657 is about 696.8909527322. The cubic root of 485657 is about 78.6037412943.

It can be divided in two parts, 4856 and 57, that added together give a cube (4913 = 17³).

The spelling of 485657 in words is "four hundred eighty-five thousand, six hundred fifty-seven".