487466321 has 2 divisors, whose sum is σ = 487466322. Its totient is φ = 487466320.

The previous prime is 487466303. The next prime is 487466323. The reversal of 487466321 is 123664784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478078225 + 9388096 = 21865^2 + 3064^2 .

It is a cyclic number.

It is not a de Polignac number, because 487466321 - 2¹⁸ = 487204177 is a prime.

Together with 487466323, 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 (487466323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243733160 + 243733161.

It is an arithmetic number, because the mean of its divisors is an integer number (243733161).

Almost surely, 2^487466321 is an apocalyptic number.

It is an amenable number.

487466321 is a deficient number, since it is larger than the sum of its proper divisors (1).

487466321 is an equidigital number, since it uses as much as digits as its factorization.

487466321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 487466321 is about 22078.6394734821. The cubic root of 487466321 is about 787.0123338650.

The spelling of 487466321 in words is "four hundred eighty-seven million, four hundred sixty-six thousand, three hundred twenty-one".