480551 has 4 divisors (see below), whose sum is σ = 489672. Its totient is φ = 471432.

The previous prime is 480541. The next prime is 480553. The reversal of 480551 is 155084.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-480551 is a prime.

It is an Ulam number.

It is a Duffinian 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 480551.

It is not an unprimeable number, because it can be changed into a prime (480553) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4481 + ... + 4586.

It is an arithmetic number, because the mean of its divisors is an integer number (122418).

2⁴⁸⁰⁵⁵¹ is an apocalyptic number.

480551 is a deficient number, since it is larger than the sum of its proper divisors (9121).

480551 is an equidigital number, since it uses as much as digits as its factorization.

480551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 480551 is about 693.2178589736. The cubic root of 480551 is about 78.3273009791.

The spelling of 480551 in words is "four hundred eighty thousand, five hundred fifty-one".