254720380613 has 2 divisors, whose sum is σ = 254720380614. Its totient is φ = 254720380612.

The previous prime is 254720380573. The next prime is 254720380631. The reversal of 254720380613 is 316083027452.

254720380613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (254720380631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194686560289 + 60033820324 = 441233^2 + 245018^2 .

It is a cyclic number.

It is not a de Polignac number, because 254720380613 - 2¹⁶ = 254720315077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254720383613) 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, 127360190306 + 127360190307.

It is an arithmetic number, because the mean of its divisors is an integer number (127360190307).

Almost surely, 2^254720380613 is an apocalyptic number.

It is an amenable number.

254720380613 is a deficient number, since it is larger than the sum of its proper divisors (1).

254720380613 is an equidigital number, since it uses as much as digits as its factorization.

254720380613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 254720380613 in words is "two hundred fifty-four billion, seven hundred twenty million, three hundred eighty thousand, six hundred thirteen".