481248921 has 8 divisors (see below), whose sum is σ = 643128640. Its totient is φ = 320100912.

The previous prime is 481248919. The next prime is 481248931. The reversal of 481248921 is 129842184.

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

It is not a de Polignac number, because 481248921 - 2¹ = 481248919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 481248921.

It is not an unprimeable number, because it can be changed into a prime (481248931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181390 + ... + 184023.

It is an arithmetic number, because the mean of its divisors is an integer number (80391080).

Almost surely, 2^481248921 is an apocalyptic number.

It is an amenable number.

481248921 is a deficient number, since it is larger than the sum of its proper divisors (161879719).

481248921 is a wasteful number, since it uses less digits than its factorization.

481248921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365855.

The product of its digits is 36864, while the sum is 39.

The square root of 481248921 is about 21937.3863757741. The cubic root of 481248921 is about 783.6520179498.

The spelling of 481248921 in words is "four hundred eighty-one million, two hundred forty-eight thousand, nine hundred twenty-one".