494711249 has 2 divisors, whose sum is σ = 494711250. Its totient is φ = 494711248.

The previous prime is 494711221. The next prime is 494711257. The reversal of 494711249 is 942117494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455523649 + 39187600 = 21343^2 + 6260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494711249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (494711279) 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, 247355624 + 247355625.

It is an arithmetic number, because the mean of its divisors is an integer number (247355625).

Almost surely, 2^494711249 is an apocalyptic number.

It is an amenable number.

494711249 is a deficient number, since it is larger than the sum of its proper divisors (1).

494711249 is an equidigital number, since it uses as much as digits as its factorization.

494711249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 494711249 is about 22242.1053185170. The cubic root of 494711249 is about 790.8921443976.

The spelling of 494711249 in words is "four hundred ninety-four million, seven hundred eleven thousand, two hundred forty-nine".