255429 has 12 divisors (see below), whose sum is σ = 373932. Its totient is φ = 168000.

The previous prime is 255419. The next prime is 255443. The reversal of 255429 is 924552.

It can be written as a sum of positive squares in 2 ways, for example, as 216225 + 39204 = 465^2 + 198^2 .

It is not a de Polignac number, because 255429 - 2⁴ = 255413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 769 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (31161).

2²⁵⁵⁴²⁹ is an apocalyptic number.

It is an amenable number.

255429 is a deficient number, since it is larger than the sum of its proper divisors (118503).

255429 is a wasteful number, since it uses less digits than its factorization.

255429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 385 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 255429 is about 505.3998417095. The cubic root of 255429 is about 63.4487982902.

The spelling of 255429 in words is "two hundred fifty-five thousand, four hundred twenty-nine".