2523173161 has 2 divisors, whose sum is σ = 2523173162. Its totient is φ = 2523173160.

The previous prime is 2523173143. The next prime is 2523173183. The reversal of 2523173161 is 1613713252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1718599936 + 804573225 = 41456^2 + 28365^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523173161 - 2¹¹ = 2523171113 is a prime.

It is not a weakly prime, because it can be changed into another prime (2523173141) 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, 1261586580 + 1261586581.

It is an arithmetic number, because the mean of its divisors is an integer number (1261586581).

Almost surely, 2^2523173161 is an apocalyptic number.

It is an amenable number.

2523173161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523173161 is an equidigital number, since it uses as much as digits as its factorization.

2523173161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 2523173161 is about 50231.1970890601. The cubic root of 2523173161 is about 1361.3893603308.

The spelling of 2523173161 in words is "two billion, five hundred twenty-three million, one hundred seventy-three thousand, one hundred sixty-one".