255120571 has 2 divisors, whose sum is σ = 255120572. Its totient is φ = 255120570.

The previous prime is 255120563. The next prime is 255120583. The reversal of 255120571 is 175021552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255120571 - 2³ = 255120563 is a prime.

It is not a weakly prime, because it can be changed into another prime (255121571) 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, 127560285 + 127560286.

It is an arithmetic number, because the mean of its divisors is an integer number (127560286).

Almost surely, 2^255120571 is an apocalyptic number.

255120571 is a deficient number, since it is larger than the sum of its proper divisors (1).

255120571 is an equidigital number, since it uses as much as digits as its factorization.

255120571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 255120571 is about 15972.4942009694. The cubic root of 255120571 is about 634.2324998860.

The spelling of 255120571 in words is "two hundred fifty-five million, one hundred twenty thousand, five hundred seventy-one".