490589513 has 2 divisors, whose sum is σ = 490589514. Its totient is φ = 490589512.

The previous prime is 490589509. The next prime is 490589527. The reversal of 490589513 is 315985094.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404693689 + 85895824 = 20117^2 + 9268^2 .

It is a cyclic number.

It is not a de Polignac number, because 490589513 - 2² = 490589509 is a prime.

It is not a weakly prime, because it can be changed into another prime (490529513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245294756 + 245294757.

It is an arithmetic number, because the mean of its divisors is an integer number (245294757).

Almost surely, 2^490589513 is an apocalyptic number.

It is an amenable number.

490589513 is a deficient number, since it is larger than the sum of its proper divisors (1).

490589513 is an equidigital number, since it uses as much as digits as its factorization.

490589513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 490589513 is about 22149.2553599438. The cubic root of 490589513 is about 788.6895504468.

The spelling of 490589513 in words is "four hundred ninety million, five hundred eighty-nine thousand, five hundred thirteen".