256300 has 36 divisors (see below), whose sum is σ = 609336. Its totient is φ = 92800.

The previous prime is 256279. The next prime is 256301. The reversal of 256300 is 3652.

It is not an unprimeable number, because it can be changed into a prime (256301) by changing a digit.

256300 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 984 + ... + 1216.

It is an arithmetic number, because the mean of its divisors is an integer number (16926).

2²⁵⁶³⁰⁰ is an apocalyptic number.

256300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304668).

256300 is an abundant number, since it is smaller than the sum of its proper divisors (353036).

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

256300 is a wasteful number, since it uses less digits than its factorization.

256300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 256300 is about 506.2608023539. The cubic root of 256300 is about 63.5208355377.

Adding to 256300 its reverse (3652), we get a palindrome (259952).

The spelling of 256300 in words is "two hundred fifty-six thousand, three hundred".