490263259 has 2 divisors, whose sum is σ = 490263260. Its totient is φ = 490263258.

The previous prime is 490263247. The next prime is 490263311. The reversal of 490263259 is 952362094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490263259 - 2¹⁷ = 490132187 is a prime.

It is not a weakly prime, because it can be changed into another prime (490263959) 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, 245131629 + 245131630.

It is an arithmetic number, because the mean of its divisors is an integer number (245131630).

Almost surely, 2^490263259 is an apocalyptic number.

490263259 is a deficient number, since it is larger than the sum of its proper divisors (1).

490263259 is an equidigital number, since it uses as much as digits as its factorization.

490263259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 490263259 is about 22141.8892373709. The cubic root of 490263259 is about 788.5146790762.

The spelling of 490263259 in words is "four hundred ninety million, two hundred sixty-three thousand, two hundred fifty-nine".