495476161 has 2 divisors, whose sum is σ = 495476162. Its totient is φ = 495476160.

The previous prime is 495476147. The next prime is 495476173. The reversal of 495476161 is 161674594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494795536 + 680625 = 22244^2 + 825^2 .

It is a cyclic number.

It is not a de Polignac number, because 495476161 - 2¹³ = 495467969 is a prime.

It is a super-2 number, since 2×495476161² = 490993252238595842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (495470161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247738080 + 247738081.

It is an arithmetic number, because the mean of its divisors is an integer number (247738081).

Almost surely, 2^495476161 is an apocalyptic number.

It is an amenable number.

495476161 is a deficient number, since it is larger than the sum of its proper divisors (1).

495476161 is an equidigital number, since it uses as much as digits as its factorization.

495476161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 495476161 is about 22259.2938117992. The cubic root of 495476161 is about 791.2995546914.

The spelling of 495476161 in words is "four hundred ninety-five million, four hundred seventy-six thousand, one hundred sixty-one".