495827161 has 2 divisors, whose sum is σ = 495827162. Its totient is φ = 495827160.

The previous prime is 495827149. The next prime is 495827179. The reversal of 495827161 is 161728594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276224400 + 219602761 = 16620^2 + 14819^2 .

It is a cyclic number.

It is not a de Polignac number, because 495827161 - 2⁹ = 495826649 is a prime.

It is not a weakly prime, because it can be changed into another prime (495827191) 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, 247913580 + 247913581.

It is an arithmetic number, because the mean of its divisors is an integer number (247913581).

Almost surely, 2^495827161 is an apocalyptic number.

It is an amenable number.

495827161 is a deficient number, since it is larger than the sum of its proper divisors (1).

495827161 is an equidigital number, since it uses as much as digits as its factorization.

495827161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 43.

The square root of 495827161 is about 22267.1767631193. The cubic root of 495827161 is about 791.4863652825.

The spelling of 495827161 in words is "four hundred ninety-five million, eight hundred twenty-seven thousand, one hundred sixty-one".