481030781 has 24 divisors (see below), whose sum is σ = 610361472. Its totient is φ = 371052000.

The previous prime is 481030777. The next prime is 481030807. The reversal of 481030781 is 187030184.

It is not a de Polignac number, because 481030781 - 2² = 481030777 is a prime.

It is a super-3 number, since 3×481030781³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481030681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82736 + ... + 88358.

It is an arithmetic number, because the mean of its divisors is an integer number (25431728).

Almost surely, 2^481030781 is an apocalyptic number.

It is an amenable number.

481030781 is a deficient number, since it is larger than the sum of its proper divisors (129330691).

481030781 is a wasteful number, since it uses less digits than its factorization.

481030781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5753 (or 5742 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 481030781 is about 21932.4139346311. The cubic root of 481030781 is about 783.5335957370.

The spelling of 481030781 in words is "four hundred eighty-one million, thirty thousand, seven hundred eighty-one".