481760921 has 4 divisors (see below), whose sum is σ = 502707072. Its totient is φ = 460814772.

The previous prime is 481760899. The next prime is 481760959. The reversal of 481760921 is 129067184.

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 481760921 - 2¹⁴ = 481744537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481760971) 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, 10473041 + ... + 10473086.

It is an arithmetic number, because the mean of its divisors is an integer number (125676768).

Almost surely, 2^481760921 is an apocalyptic number.

It is an amenable number.

481760921 is a deficient number, since it is larger than the sum of its proper divisors (20946151).

481760921 is a wasteful number, since it uses less digits than its factorization.

481760921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20946150.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 481760921 is about 21949.0528497245. The cubic root of 481760921 is about 783.9298281851.

The spelling of 481760921 in words is "four hundred eighty-one million, seven hundred sixty thousand, nine hundred twenty-one".