256358 has 8 divisors (see below), whose sum is σ = 401328. Its totient is φ = 122584.

The previous prime is 256349. The next prime is 256363. The reversal of 256358 is 853652.

256358 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 256358.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 256358.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2741 + ... + 2832.

It is an arithmetic number, because the mean of its divisors is an integer number (50166).

2²⁵⁶³⁵⁸ is an apocalyptic number.

256358 is a deficient number, since it is larger than the sum of its proper divisors (144970).

256358 is a wasteful number, since it uses less digits than its factorization.

256358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5598.

The product of its digits is 7200, while the sum is 29.

The square root of 256358 is about 506.3180818418. The cubic root of 256358 is about 63.5256267077.

The spelling of 256358 in words is "two hundred fifty-six thousand, three hundred fifty-eight".