493147 has 2 divisors, whose sum is σ = 493148. Its totient is φ = 493146.

The previous prime is 493139. The next prime is 493159. The reversal of 493147 is 741394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493147 - 2³ = 493139 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (493127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246573 + 246574.

It is an arithmetic number, because the mean of its divisors is an integer number (246574).

2⁴⁹³¹⁴⁷ is an apocalyptic number.

493147 is a deficient number, since it is larger than the sum of its proper divisors (1).

493147 is an equidigital number, since it uses as much as digits as its factorization.

493147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 493147 is about 702.2442594995. The cubic root of 493147 is about 79.0057678852.

The spelling of 493147 in words is "four hundred ninety-three thousand, one hundred forty-seven".