255071 has 2 divisors, whose sum is σ = 255072. Its totient is φ = 255070.

The previous prime is 255053. The next prime is 255077. The reversal of 255071 is 170552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255071 - 2⁶ = 255007 is a prime.

It is a super-2 number, since 2×255071² = 130122430082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127535 + 127536.

It is an arithmetic number, because the mean of its divisors is an integer number (127536).

2²⁵⁵⁰⁷¹ is an apocalyptic number.

255071 is a deficient number, since it is larger than the sum of its proper divisors (1).

255071 is an equidigital number, since it uses as much as digits as its factorization.

255071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 255071 is about 505.0455425009. The cubic root of 255071 is about 63.4191419211.

The spelling of 255071 in words is "two hundred fifty-five thousand, seventy-one".