254315229187 has 2 divisors, whose sum is σ = 254315229188. Its totient is φ = 254315229186.

The previous prime is 254315229143. The next prime is 254315229191. The reversal of 254315229187 is 781922513452.

254315229187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254315229187 - 2³¹ = 252167745539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254315229187.

It is not a weakly prime, because it can be changed into another prime (254315229787) 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, 127157614593 + 127157614594.

It is an arithmetic number, because the mean of its divisors is an integer number (127157614594).

Almost surely, 2^254315229187 is an apocalyptic number.

254315229187 is a deficient number, since it is larger than the sum of its proper divisors (1).

254315229187 is an equidigital number, since it uses as much as digits as its factorization.

254315229187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 49.

The spelling of 254315229187 in words is "two hundred fifty-four billion, three hundred fifteen million, two hundred twenty-nine thousand, one hundred eighty-seven".