489304513 has 2 divisors, whose sum is σ = 489304514. Its totient is φ = 489304512.

The previous prime is 489304481. The next prime is 489304547. The reversal of 489304513 is 315403984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487835569 + 1468944 = 22087^2 + 1212^2 .

It is a cyclic number.

It is not a de Polignac number, because 489304513 - 2⁵ = 489304481 is a prime.

It is not a weakly prime, because it can be changed into another prime (489304213) 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, 244652256 + 244652257.

It is an arithmetic number, because the mean of its divisors is an integer number (244652257).

Almost surely, 2^489304513 is an apocalyptic number.

It is an amenable number.

489304513 is a deficient number, since it is larger than the sum of its proper divisors (1).

489304513 is an equidigital number, since it uses as much as digits as its factorization.

489304513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 489304513 is about 22120.2285928514. The cubic root of 489304513 is about 788.0003440996. Note that the first 3 decimals are identical.

The spelling of 489304513 in words is "four hundred eighty-nine million, three hundred four thousand, five hundred thirteen".