254655054617 has 2 divisors, whose sum is σ = 254655054618. Its totient is φ = 254655054616.

The previous prime is 254655054601. The next prime is 254655054623. The reversal of 254655054617 is 716450556452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135121672921 + 119533381696 = 367589^2 + 345736^2 .

It is a cyclic number.

It is not a de Polignac number, because 254655054617 - 2⁴ = 254655054601 is a prime.

It is not a weakly prime, because it can be changed into another prime (254655054317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127327527308 + 127327527309.

It is an arithmetic number, because the mean of its divisors is an integer number (127327527309).

Almost surely, 2^254655054617 is an apocalyptic number.

It is an amenable number.

254655054617 is a deficient number, since it is larger than the sum of its proper divisors (1).

254655054617 is an equidigital number, since it uses as much as digits as its factorization.

254655054617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040000, while the sum is 50.

The spelling of 254655054617 in words is "two hundred fifty-four billion, six hundred fifty-five million, fifty-four thousand, six hundred seventeen".