2495000161 has 2 divisors, whose sum is σ = 2495000162. Its totient is φ = 2495000160.

The previous prime is 2495000159. The next prime is 2495000177. The reversal of 2495000161 is 1610005942.

2495000161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2218410000 + 276590161 = 47100^2 + 16631^2 .

It is a cyclic number.

It is not a de Polignac number, because 2495000161 - 2¹ = 2495000159 is a prime.

Together with 2495000159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2495000191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247500080 + 1247500081.

It is an arithmetic number, because the mean of its divisors is an integer number (1247500081).

Almost surely, 2^2495000161 is an apocalyptic number.

It is an amenable number.

2495000161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2495000161 is an equidigital number, since it uses as much as digits as its factorization.

2495000161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2495000161 is about 49949.9765865811. The cubic root of 2495000161 is about 1356.3034277239.

The spelling of 2495000161 in words is "two billion, four hundred ninety-five million, one hundred sixty-one", and thus it is an aban number.