485647 has 2 divisors, whose sum is σ = 485648. Its totient is φ = 485646.

The previous prime is 485609. The next prime is 485657. The reversal of 485647 is 746584.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 485647 - 2⁷ = 485519 is a prime.

485647 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485657) 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 as a sum of consecutive naturals, namely, 242823 + 242824.

It is an arithmetic number, because the mean of its divisors is an integer number (242824).

2⁴⁸⁵⁶⁴⁷ is an apocalyptic number.

485647 is the 373-rd centered heptagonal number.

485647 is a deficient number, since it is larger than the sum of its proper divisors (1).

485647 is an equidigital number, since it uses as much as digits as its factorization.

485647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 485647 is about 696.8837779716. The cubic root of 485647 is about 78.6032017895.

The spelling of 485647 in words is "four hundred eighty-five thousand, six hundred forty-seven".