494681003 has 2 divisors, whose sum is σ = 494681004. Its totient is φ = 494681002.

The previous prime is 494680973. The next prime is 494681041. The reversal of 494681003 is 300186494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494681003 - 2¹⁰ = 494679979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (494680003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247340501 + 247340502.

It is an arithmetic number, because the mean of its divisors is an integer number (247340502).

Almost surely, 2^494681003 is an apocalyptic number.

494681003 is a deficient number, since it is larger than the sum of its proper divisors (1).

494681003 is an equidigital number, since it uses as much as digits as its factorization.

494681003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 494681003 is about 22241.4253814813. The cubic root of 494681003 is about 790.8760260314.

The spelling of 494681003 in words is "four hundred ninety-four million, six hundred eighty-one thousand, three".