485813 has 4 divisors (see below), whose sum is σ = 490380. Its totient is φ = 481248.

The previous prime is 485777. The next prime is 485819. The reversal of 485813 is 318584.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 339889 + 145924 = 583^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 485813 - 2¹⁴ = 469429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485819) 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, 2120 + ... + 2337.

It is an arithmetic number, because the mean of its divisors is an integer number (122595).

2⁴⁸⁵⁸¹³ is an apocalyptic number.

It is an amenable number.

485813 is a deficient number, since it is larger than the sum of its proper divisors (4567).

485813 is a wasteful number, since it uses less digits than its factorization.

485813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566.

The product of its digits is 3840, while the sum is 29.

The square root of 485813 is about 697.0028694346. The cubic root of 485813 is about 78.6121566100.

It can be divided in two parts, 48581 and 3, that added together give a palindrome (48584).

The spelling of 485813 in words is "four hundred eighty-five thousand, eight hundred thirteen".