489297313 has 2 divisors, whose sum is σ = 489297314. Its totient is φ = 489297312.

The previous prime is 489297293. The next prime is 489297359. The reversal of 489297313 is 313792984.

It is an a-pointer prime, because the next prime (489297359) can be obtained adding 489297313 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303874624 + 185422689 = 17432^2 + 13617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489297313 is a prime.

It is not a weakly prime, because it can be changed into another prime (489297373) 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, 244648656 + 244648657.

It is an arithmetic number, because the mean of its divisors is an integer number (244648657).

Almost surely, 2^489297313 is an apocalyptic number.

It is an amenable number.

489297313 is a deficient number, since it is larger than the sum of its proper divisors (1).

489297313 is an equidigital number, since it uses as much as digits as its factorization.

489297313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 489297313 is about 22120.0658452908. The cubic root of 489297313 is about 787.9964790012.

The spelling of 489297313 in words is "four hundred eighty-nine million, two hundred ninety-seven thousand, three hundred thirteen".