492466181 has 2 divisors, whose sum is σ = 492466182. Its totient is φ = 492466180.

The previous prime is 492466123. The next prime is 492466199. The reversal of 492466181 is 181664294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370562500 + 121903681 = 19250^2 + 11041^2 .

It is a cyclic number.

It is not a de Polignac number, because 492466181 - 2¹⁰ = 492465157 is a prime.

It is a super-2 number, since 2×492466181² = 485045878857449522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492466981) 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, 246233090 + 246233091.

It is an arithmetic number, because the mean of its divisors is an integer number (246233091).

Almost surely, 2^492466181 is an apocalyptic number.

It is an amenable number.

492466181 is a deficient number, since it is larger than the sum of its proper divisors (1).

492466181 is an equidigital number, since it uses as much as digits as its factorization.

492466181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 492466181 is about 22191.5790560293. The cubic root of 492466181 is about 789.6939374142.

The spelling of 492466181 in words is "four hundred ninety-two million, four hundred sixty-six thousand, one hundred eighty-one".