256235 has 8 divisors (see below), whose sum is σ = 351456. Its totient is φ = 175680.

The previous prime is 256219. The next prime is 256279. The reversal of 256235 is 532652.

It is a happy number.

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

It is not a de Polignac number, because 256235 - 2⁴ = 256219 is a prime.

It is a super-3 number, since 3×256235³ = 50470383917333625, which contains 333 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 256235.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3626 + ... + 3695.

It is an arithmetic number, because the mean of its divisors is an integer number (43932).

2²⁵⁶²³⁵ is an apocalyptic number.

256235 is a deficient number, since it is larger than the sum of its proper divisors (95221).

256235 is an equidigital number, since it uses as much as digits as its factorization.

256235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333.

The product of its digits is 1800, while the sum is 23.

The square root of 256235 is about 506.1966021221. The cubic root of 256235 is about 63.5154652641.

Adding to 256235 its reverse (532652), we get a palindrome (788887).

The spelling of 256235 in words is "two hundred fifty-six thousand, two hundred thirty-five".