480905 has 4 divisors (see below), whose sum is σ = 577092. Its totient is φ = 384720.

The previous prime is 480881. The next prime is 480911. The reversal of 480905 is 509084.

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 373321 + 107584 = 611^2 + 328^2 .

It is not a de Polignac number, because 480905 - 2¹⁰ = 479881 is a prime.

It is a super-3 number, since 3×480905³ = 333656148411652875, which contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 480905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48086 + ... + 48095.

It is an arithmetic number, because the mean of its divisors is an integer number (144273).

2⁴⁸⁰⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

480905 is a deficient number, since it is larger than the sum of its proper divisors (96187).

480905 is an equidigital number, since it uses as much as digits as its factorization.

480905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96186.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 480905 is about 693.4731429551. The cubic root of 480905 is about 78.3465296414.

Adding to 480905 its reverse (509084), we get a palindrome (989989).

The spelling of 480905 in words is "four hundred eighty thousand, nine hundred five".