481321057 has 4 divisors (see below), whose sum is σ = 550081216. Its totient is φ = 412560900.

The previous prime is 481321021. The next prime is 481321073. The reversal of 481321057 is 750123184.

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 481321057 - 2¹⁵ = 481288289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481321007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34380069 + ... + 34380082.

It is an arithmetic number, because the mean of its divisors is an integer number (137520304).

Almost surely, 2^481321057 is an apocalyptic number.

It is an amenable number.

481321057 is a deficient number, since it is larger than the sum of its proper divisors (68760159).

481321057 is an equidigital number, since it uses as much as digits as its factorization.

481321057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68760158.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 481321057 is about 21939.0304480394. The cubic root of 481321057 is about 783.6911707287.

The spelling of 481321057 in words is "four hundred eighty-one million, three hundred twenty-one thousand, fifty-seven".