480595721 has 2 divisors, whose sum is σ = 480595722. Its totient is φ = 480595720.

The previous prime is 480595699. The next prime is 480595723. The reversal of 480595721 is 127595084.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 471975625 + 8620096 = 21725^2 + 2936^2 .

It is a cyclic number.

It is not a de Polignac number, because 480595721 - 2⁶ = 480595657 is a prime.

It is a super-3 number, since 3×480595721³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 480595723, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (480595723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240297860 + 240297861.

It is an arithmetic number, because the mean of its divisors is an integer number (240297861).

Almost surely, 2^480595721 is an apocalyptic number.

It is an amenable number.

480595721 is a deficient number, since it is larger than the sum of its proper divisors (1).

480595721 is an equidigital number, since it uses as much as digits as its factorization.

480595721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 480595721 is about 21922.4934941261. The cubic root of 480595721 is about 783.2973066676.

The spelling of 480595721 in words is "four hundred eighty million, five hundred ninety-five thousand, seven hundred twenty-one".