481388543 has 4 divisors (see below), whose sum is σ = 481437840. Its totient is φ = 481339248.

The previous prime is 481388497. The next prime is 481388563. The reversal of 481388543 is 345883184.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 481388543 - 2²⁴ = 464611327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 481388494 and 481388503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481388563) 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, 4523 + ... + 31356.

It is an arithmetic number, because the mean of its divisors is an integer number (120359460).

Almost surely, 2^481388543 is an apocalyptic number.

481388543 is a deficient number, since it is larger than the sum of its proper divisors (49297).

481388543 is a wasteful number, since it uses less digits than its factorization.

481388543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49296.

The product of its digits is 368640, while the sum is 44.

The square root of 481388543 is about 21940.5684292819. The cubic root of 481388543 is about 783.7277961162.

The spelling of 481388543 in words is "four hundred eighty-one million, three hundred eighty-eight thousand, five hundred forty-three".