255025 has 9 divisors (see below), whose sum is σ = 319393. Its totient is φ = 202000.

The previous prime is 255023. The next prime is 255043. The reversal of 255025 is 520552.

The square root of 255025 is 505.

It is a perfect power (a square), and thus also a powerful number.

255025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 47089 + 207936 = 217^2 + 456^2 .

It is not a de Polignac number, because 255025 - 2¹ = 255023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254993 and 255011.

It is not an unprimeable number, because it can be changed into a prime (255023) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2475 + ... + 2575.

255025 is a Friedman number, since it can be written as (5+20*5*5)^2, using all its digits and the basic arithmetic operations.

2²⁵⁵⁰²⁵ is an apocalyptic number.

255025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255025 is the 505-th square number.

255025 is the 253-rd centered octagonal number.

It is an amenable number.

255025 is a deficient number, since it is larger than the sum of its proper divisors (64368).

255025 is an equidigital number, since it uses as much as digits as its factorization.

255025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The cubic root of 255025 is about 63.4153293148.

Adding to 255025 its reverse (520552), we get a palindrome (775577).

It can be divided in two parts, 25 and 5025, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 255025 in words is "two hundred fifty-five thousand, twenty-five".