492197291 has 2 divisors, whose sum is σ = 492197292. Its totient is φ = 492197290.

The previous prime is 492197287. The next prime is 492197327. The reversal of 492197291 is 192791294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 492197291 - 2² = 492197287 is a prime.

It is not a weakly prime, because it can be changed into another prime (492197281) 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, 246098645 + 246098646.

It is an arithmetic number, because the mean of its divisors is an integer number (246098646).

Almost surely, 2^492197291 is an apocalyptic number.

492197291 is a deficient number, since it is larger than the sum of its proper divisors (1).

492197291 is an equidigital number, since it uses as much as digits as its factorization.

492197291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 44.

The square root of 492197291 is about 22185.5198496677. The cubic root of 492197291 is about 789.5501850989.

The spelling of 492197291 in words is "four hundred ninety-two million, one hundred ninety-seven thousand, two hundred ninety-one".