255635 has 16 divisors (see below), whose sum is σ = 332640. Its totient is φ = 188160.

The previous prime is 255617. The next prime is 255637. The reversal of 255635 is 536552.

255635 = T₃₀ + T₃₁ + ... + T₁₁₅.

It is not a de Polignac number, because 255635 - 2⁶ = 255571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255637) 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 15 ways as a sum of consecutive naturals, for example, 5924 + ... + 5966.

It is an arithmetic number, because the mean of its divisors is an integer number (20790).

2²⁵⁵⁶³⁵ is an apocalyptic number.

255635 is a deficient number, since it is larger than the sum of its proper divisors (77005).

255635 is a wasteful number, since it uses less digits than its factorization.

255635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118.

The product of its digits is 4500, while the sum is 26.

The square root of 255635 is about 505.6035996707. The cubic root of 255635 is about 63.4658505699.

The spelling of 255635 in words is "two hundred fifty-five thousand, six hundred thirty-five".