255000 has 80 divisors (see below), whose sum is σ = 843480. Its totient is φ = 64000.

The previous prime is 254993. The next prime is 255007. The reversal of 255000 is 552.

It is an interprime number because it is at equal distance from previous prime (254993) and next prime (255007).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 85 × 75 × 40.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14992 + ... + 15008.

2²⁵⁵⁰⁰⁰ is an apocalyptic number.

255000 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 255000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421740).

255000 is an abundant number, since it is smaller than the sum of its proper divisors (588480).

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

255000 is a wasteful number, since it uses less digits than its factorization.

255000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 12.

The square root of 255000 is about 504.9752469181. The cubic root of 255000 is about 63.4132570538.

Adding to 255000 its reverse (552), we get a palindrome (255552).

It can be divided in two parts, 25 and 5000, that multiplied together give a cube (125000 = 50³).

The spelling of 255000 in words is "two hundred fifty-five thousand".