492547147 has 2 divisors, whose sum is σ = 492547148. Its totient is φ = 492547146.

The previous prime is 492547117. The next prime is 492547193. The reversal of 492547147 is 741745294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 492547147 - 2⁷ = 492547019 is a prime.

It is not a weakly prime, because it can be changed into another prime (492547117) 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, 246273573 + 246273574.

It is an arithmetic number, because the mean of its divisors is an integer number (246273574).

Almost surely, 2^492547147 is an apocalyptic number.

492547147 is a deficient number, since it is larger than the sum of its proper divisors (1).

492547147 is an equidigital number, since it uses as much as digits as its factorization.

492547147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 43.

The square root of 492547147 is about 22193.4032315911. The cubic root of 492547147 is about 789.7372127077.

The spelling of 492547147 in words is "four hundred ninety-two million, five hundred forty-seven thousand, one hundred forty-seven".