481741721 has 2 divisors, whose sum is σ = 481741722. Its totient is φ = 481741720.

The previous prime is 481741709. The next prime is 481741723. The reversal of 481741721 is 127147184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 410508121 + 71233600 = 20261^2 + 8440^2 .

It is a cyclic number.

It is not a de Polignac number, because 481741721 - 2⁶ = 481741657 is a prime.

Together with 481741723, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (481741723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240870860 + 240870861.

It is an arithmetic number, because the mean of its divisors is an integer number (240870861).

Almost surely, 2^481741721 is an apocalyptic number.

It is an amenable number.

481741721 is a deficient number, since it is larger than the sum of its proper divisors (1).

481741721 is an equidigital number, since it uses as much as digits as its factorization.

481741721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12544, while the sum is 35.

The square root of 481741721 is about 21948.6154688627. The cubic root of 481741721 is about 783.9194138544.

The spelling of 481741721 in words is "four hundred eighty-one million, seven hundred forty-one thousand, seven hundred twenty-one".