481565 has 8 divisors (see below), whose sum is σ = 660480. Its totient is φ = 330192.

The previous prime is 481549. The next prime is 481571. The reversal of 481565 is 565184.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 481565 - 2⁴ = 481549 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 481565.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 6845 + ... + 6914.

It is an arithmetic number, because the mean of its divisors is an integer number (82560).

2⁴⁸¹⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

481565 is a deficient number, since it is larger than the sum of its proper divisors (178915).

481565 is a wasteful number, since it uses less digits than its factorization.

481565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13771.

The product of its digits is 4800, while the sum is 29.

The square root of 481565 is about 693.9488453769. The cubic root of 481565 is about 78.3823545079.

The spelling of 481565 in words is "four hundred eighty-one thousand, five hundred sixty-five".