256302 has 24 divisors (see below), whose sum is σ = 575640. Its totient is φ = 82320.

The previous prime is 256301. The next prime is 256307. The reversal of 256302 is 203652.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 2⁹ + 5⁷ + 3¹¹ + 6 + 0 + 2⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256301) 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, 277 + ... + 767.

It is an arithmetic number, because the mean of its divisors is an integer number (23985).

2²⁵⁶³⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287820).

256302 is an abundant number, since it is smaller than the sum of its proper divisors (319338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256302 is a wasteful number, since it uses less digits than its factorization.

256302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 256302 is about 506.2627776165. The cubic root of 256302 is about 63.5210007625.

Adding to 256302 its reverse (203652), we get a palindrome (459954).

Subtracting from 256302 its reverse (203652), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 256302 in words is "two hundred fifty-six thousand, three hundred two".