255051 has 12 divisors (see below), whose sum is σ = 390312. Its totient is φ = 159936.

The previous prime is 255049. The next prime is 255053. The reversal of 255051 is 150552.

It is an interprime number because it is at equal distance from previous prime (255049) and next prime (255053).

It is not a de Polignac number, because 255051 - 2¹ = 255049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681 + ... + 986.

It is an arithmetic number, because the mean of its divisors is an integer number (32526).

2²⁵⁵⁰⁵¹ is an apocalyptic number.

255051 is a deficient number, since it is larger than the sum of its proper divisors (135261).

255051 is a wasteful number, since it uses less digits than its factorization.

255051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 255051 is about 505.0257419182. The cubic root of 255051 is about 63.4174843225.

It can be divided in two parts, 2550 and 51, that added together give a square (2601 = 51²).

The spelling of 255051 in words is "two hundred fifty-five thousand, fifty-one".