254414513161 has 2 divisors, whose sum is σ = 254414513162. Its totient is φ = 254414513160.

The previous prime is 254414513159. The next prime is 254414513191. The reversal of 254414513161 is 161315414452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254414316025 + 197136 = 504395^2 + 444^2 .

It is a cyclic number.

It is not a de Polignac number, because 254414513161 - 2¹ = 254414513159 is a prime.

Together with 254414513159, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 254414513161.

It is not a weakly prime, because it can be changed into another prime (254414513191) 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, 127207256580 + 127207256581.

It is an arithmetic number, because the mean of its divisors is an integer number (127207256581).

Almost surely, 2^254414513161 is an apocalyptic number.

It is an amenable number.

254414513161 is a deficient number, since it is larger than the sum of its proper divisors (1).

254414513161 is an equidigital number, since it uses as much as digits as its factorization.

254414513161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 37.

The spelling of 254414513161 in words is "two hundred fifty-four billion, four hundred fourteen million, five hundred thirteen thousand, one hundred sixty-one".