255065219 has 2 divisors, whose sum is σ = 255065220. Its totient is φ = 255065218.

The previous prime is 255065143. The next prime is 255065221. The reversal of 255065219 is 912560552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255065219 - 2¹⁶ = 254999683 is a prime.

It is a super-2 number, since 2×255065219² = 130116531887035922, which contains 22 as substring.

Together with 255065221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255065269) 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, 127532609 + 127532610.

It is an arithmetic number, because the mean of its divisors is an integer number (127532610).

Almost surely, 2^255065219 is an apocalyptic number.

255065219 is a deficient number, since it is larger than the sum of its proper divisors (1).

255065219 is an equidigital number, since it uses as much as digits as its factorization.

255065219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 255065219 is about 15970.7613782186. The cubic root of 255065219 is about 634.1866280114.

The spelling of 255065219 in words is "two hundred fifty-five million, sixty-five thousand, two hundred nineteen".