256335 has 16 divisors (see below), whose sum is σ = 428544. Its totient is φ = 130592.

The previous prime is 256313. The next prime is 256337. The reversal of 256335 is 533652.

It is a cyclic number.

It is not a de Polignac number, because 256335 - 2⁸ = 256079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27 + ... + 716.

It is an arithmetic number, because the mean of its divisors is an integer number (26784).

2²⁵⁶³³⁵ is an apocalyptic number.

256335 is a deficient number, since it is larger than the sum of its proper divisors (172209).

256335 is a wasteful number, since it uses less digits than its factorization.

256335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774.

The product of its digits is 2700, while the sum is 24.

The square root of 256335 is about 506.2953683375. The cubic root of 256335 is about 63.5237268475.

Adding to 256335 its reverse (533652), we get a palindrome (789987).

The spelling of 256335 in words is "two hundred fifty-six thousand, three hundred thirty-five".