43255 has 8 divisors (see below), whose sum is σ = 53424. Its totient is φ = 33600.

The previous prime is 43237. The next prime is 43261. The reversal of 43255 is 55234.

43255 = T₃₈ + T₃₉ + ... + T₆₇.

43255 = 91² + 92² + ... + 95².

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 43255 - 2⁵ = 43223 is a prime.

It is a Duffinian number.

43255 is a lucky number.

It is a congruent number.

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, 100 + ... + 310.

It is an arithmetic number, because the mean of its divisors is an integer number (6678).

2⁴³²⁵⁵ is an apocalyptic number.

43255 is a deficient number, since it is larger than the sum of its proper divisors (10169).

43255 is a wasteful number, since it uses less digits than its factorization.

43255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257.

The product of its digits is 600, while the sum is 19.

The square root of 43255 is about 207.9783642594. The cubic root of 43255 is about 35.1030973747.

Adding to 43255 its reverse (55234), we get a palindrome (98489).

The spelling of 43255 in words is "forty-three thousand, two hundred fifty-five".