255245 has 8 divisors (see below), whose sum is σ = 311040. Its totient is φ = 201040.

The previous prime is 255239. The next prime is 255247. The reversal of 255245 is 542552.

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

It is not a de Polignac number, because 255245 - 2⁶ = 255181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 714.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2²⁵⁵²⁴⁵ is an apocalyptic number.

It is an amenable number.

255245 is a deficient number, since it is larger than the sum of its proper divisors (55795).

255245 is an equidigital number, since it uses as much as digits as its factorization.

255245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795.

The product of its digits is 2000, while the sum is 23.

The square root of 255245 is about 505.2177748259. The cubic root of 255245 is about 63.4335593741.

Adding to 255245 its reverse (542552), we get a palindrome (797797).

The spelling of 255245 in words is "two hundred fifty-five thousand, two hundred forty-five".