481055921 has 4 divisors (see below), whose sum is σ = 492243312. Its totient is φ = 469868532.

The previous prime is 481055899. The next prime is 481055933. The reversal of 481055921 is 129550184.

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 481055921 - 2¹⁸ = 480793777 is a prime.

It is a super-3 number, since 3×481055921³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481055621) 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, 5593631 + ... + 5593716.

It is an arithmetic number, because the mean of its divisors is an integer number (123060828).

Almost surely, 2^481055921 is an apocalyptic number.

It is an amenable number.

481055921 is a deficient number, since it is larger than the sum of its proper divisors (11187391).

481055921 is a wasteful number, since it uses less digits than its factorization.

481055921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11187390.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 481055921 is about 21932.9870514711. The cubic root of 481055921 is about 783.5472453773.

The spelling of 481055921 in words is "four hundred eighty-one million, fifty-five thousand, nine hundred twenty-one".