480543621 has 4 divisors (see below), whose sum is σ = 640724832. Its totient is φ = 320362412.

The previous prime is 480543599. The next prime is 480543629. The reversal of 480543621 is 126345084.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 480543621 - 2¹⁰ = 480542597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480543629) 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, 80090601 + ... + 80090606.

It is an arithmetic number, because the mean of its divisors is an integer number (160181208).

Almost surely, 2^480543621 is an apocalyptic number.

It is an amenable number.

480543621 is a deficient number, since it is larger than the sum of its proper divisors (160181211).

480543621 is a wasteful number, since it uses less digits than its factorization.

480543621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160181210.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 480543621 is about 21921.3051846828. The cubic root of 480543621 is about 783.2690006420.

The spelling of 480543621 in words is "four hundred eighty million, five hundred forty-three thousand, six hundred twenty-one".