490640203 has 2 divisors, whose sum is σ = 490640204. Its totient is φ = 490640202.

The previous prime is 490640159. The next prime is 490640219. The reversal of 490640203 is 302046094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490640203 - 2²⁵ = 457085771 is a prime.

It is not a weakly prime, because it can be changed into another prime (490640233) 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, 245320101 + 245320102.

It is an arithmetic number, because the mean of its divisors is an integer number (245320102).

Almost surely, 2^490640203 is an apocalyptic number.

490640203 is a deficient number, since it is larger than the sum of its proper divisors (1).

490640203 is an equidigital number, since it uses as much as digits as its factorization.

490640203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 490640203 is about 22150.3996126481. The cubic root of 490640203 is about 788.7167132073.

Adding to 490640203 its reverse (302046094), we get a palindrome (792686297).

The spelling of 490640203 in words is "four hundred ninety million, six hundred forty thousand, two hundred three".