489332513 has 2 divisors, whose sum is σ = 489332514. Its totient is φ = 489332512.

The previous prime is 489332449. The next prime is 489332533. The reversal of 489332513 is 315233984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 445083409 + 44249104 = 21097^2 + 6652^2 .

It is a cyclic number.

It is not a de Polignac number, because 489332513 - 2⁶ = 489332449 is a prime.

It is not a weakly prime, because it can be changed into another prime (489332533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244666256 + 244666257.

It is an arithmetic number, because the mean of its divisors is an integer number (244666257).

Almost surely, 2^489332513 is an apocalyptic number.

It is an amenable number.

489332513 is a deficient number, since it is larger than the sum of its proper divisors (1).

489332513 is an equidigital number, since it uses as much as digits as its factorization.

489332513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 489332513 is about 22120.8614886491. The cubic root of 489332513 is about 788.0153746775.

The spelling of 489332513 in words is "four hundred eighty-nine million, three hundred thirty-two thousand, five hundred thirteen".