481765 has 4 divisors (see below), whose sum is σ = 578124. Its totient is φ = 385408.

The previous prime is 481753. The next prime is 481769. The reversal of 481765 is 567184.

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 93636 + 388129 = 306^2 + 623^2 .

It is a cyclic number.

It is not a de Polignac number, because 481765 - 2¹⁵ = 448997 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481769) 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, 48172 + ... + 48181.

It is an arithmetic number, because the mean of its divisors is an integer number (144531).

2⁴⁸¹⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

481765 is a deficient number, since it is larger than the sum of its proper divisors (96359).

481765 is an equidigital number, since it uses as much as digits as its factorization.

481765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96358.

The product of its digits is 6720, while the sum is 31.

The square root of 481765 is about 694.0929332589. The cubic root of 481765 is about 78.3932040652.

The spelling of 481765 in words is "four hundred eighty-one thousand, seven hundred sixty-five".