25379000161 has 2 divisors, whose sum is σ = 25379000162. Its totient is φ = 25379000160.

The previous prime is 25379000159. The next prime is 25379000167. The reversal of 25379000161 is 16100097352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16836619536 + 8542380625 = 129756^2 + 92425^2 .

It is a cyclic number.

It is not a de Polignac number, because 25379000161 - 2¹ = 25379000159 is a prime.

Together with 25379000159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25379000167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12689500080 + 12689500081.

It is an arithmetic number, because the mean of its divisors is an integer number (12689500081).

Almost surely, 2^25379000161 is an apocalyptic number.

It is an amenable number.

25379000161 is a deficient number, since it is larger than the sum of its proper divisors (1).

25379000161 is an equidigital number, since it uses as much as digits as its factorization.

25379000161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The spelling of 25379000161 in words is "twenty-five billion, three hundred seventy-nine million, one hundred sixty-one", and thus it is an aban number.