494930287 has 2 divisors, whose sum is σ = 494930288. Its totient is φ = 494930286.

The previous prime is 494930263. The next prime is 494930321. The reversal of 494930287 is 782039494.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494930287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494930237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247465143 + 247465144.

It is an arithmetic number, because the mean of its divisors is an integer number (247465144).

Almost surely, 2^494930287 is an apocalyptic number.

494930287 is a deficient number, since it is larger than the sum of its proper divisors (1).

494930287 is an equidigital number, since it uses as much as digits as its factorization.

494930287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 494930287 is about 22247.0287229553. The cubic root of 494930287 is about 791.0088521222.

The spelling of 494930287 in words is "four hundred ninety-four million, nine hundred thirty thousand, two hundred eighty-seven".