255065081 has 2 divisors, whose sum is σ = 255065082. Its totient is φ = 255065080.

The previous prime is 255065077. The next prime is 255065113. The reversal of 255065081 is 180560552.

It is an a-pointer prime, because the next prime (255065113) can be obtained adding 255065081 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241522681 + 13542400 = 15541^2 + 3680^2 .

It is a cyclic number.

It is not a de Polignac number, because 255065081 - 2² = 255065077 is a prime.

It is a super-2 number, since 2×255065081² = 130116391091073122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (255065021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127532540 + 127532541.

It is an arithmetic number, because the mean of its divisors is an integer number (127532541).

Almost surely, 2^255065081 is an apocalyptic number.

It is an amenable number.

255065081 is a deficient number, since it is larger than the sum of its proper divisors (1).

255065081 is an equidigital number, since it uses as much as digits as its factorization.

255065081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 255065081 is about 15970.7570578229. The cubic root of 255065081 is about 634.1865136383.

The spelling of 255065081 in words is "two hundred fifty-five million, sixty-five thousand, eighty-one".