494158211 has 2 divisors, whose sum is σ = 494158212. Its totient is φ = 494158210.

The previous prime is 494158187. The next prime is 494158229. The reversal of 494158211 is 112851494.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494158211 is a prime.

It is not a weakly prime, because it can be changed into another prime (494158241) 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, 247079105 + 247079106.

It is an arithmetic number, because the mean of its divisors is an integer number (247079106).

Almost surely, 2^494158211 is an apocalyptic number.

494158211 is a deficient number, since it is larger than the sum of its proper divisors (1).

494158211 is an equidigital number, since it uses as much as digits as its factorization.

494158211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 35.

The square root of 494158211 is about 22229.6696106802. The cubic root of 494158211 is about 790.5973215763.

The spelling of 494158211 in words is "four hundred ninety-four million, one hundred fifty-eight thousand, two hundred eleven".