485580505 has 4 divisors (see below), whose sum is σ = 582696612. Its totient is φ = 388464400.

The previous prime is 485580481. The next prime is 485580509. The reversal of 485580505 is 505085584.

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 234579856 + 251000649 = 15316^2 + 15843^2 .

It is not a de Polignac number, because 485580505 - 2⁷ = 485580377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485580509) 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, 48558046 + ... + 48558055.

It is an arithmetic number, because the mean of its divisors is an integer number (145674153).

Almost surely, 2^485580505 is an apocalyptic number.

It is an amenable number.

485580505 is a deficient number, since it is larger than the sum of its proper divisors (97116107).

485580505 is an equidigital number, since it uses as much as digits as its factorization.

485580505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97116106.

The product of its (nonzero) digits is 160000, while the sum is 40.

The square root of 485580505 is about 22035.8912912548. The cubic root of 485580505 is about 785.9961416416.

The spelling of 485580505 in words is "four hundred eighty-five million, five hundred eighty thousand, five hundred five".