255424325 has 12 divisors (see below), whose sum is σ = 341090148. Its totient is φ = 188620800.

The previous prime is 255424289. The next prime is 255424327. The reversal of 255424325 is 523424552.

It is a Cunningham number, because it is equal to 15982²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 20016676 + 235407649 = 4474^2 + 15343^2 .

It is not a de Polignac number, because 255424325 - 2¹² = 255420229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255424291 and 255424300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255424327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392636 + ... + 393285.

It is an arithmetic number, because the mean of its divisors is an integer number (28424179).

Almost surely, 2^255424325 is an apocalyptic number.

255424325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255424325 is a deficient number, since it is larger than the sum of its proper divisors (85665823).

255424325 is a wasteful number, since it uses less digits than its factorization.

255424325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785944 (or 785939 counting only the distinct ones).

The product of its digits is 48000, while the sum is 32.

The square root of 255424325 is about 15982.0000312852. Note that the first 4 decimals coincide. The cubic root of 255424325 is about 634.4841119637.

Adding to 255424325 its reverse (523424552), we get a palindrome (778848877).

The spelling of 255424325 in words is "two hundred fifty-five million, four hundred twenty-four thousand, three hundred twenty-five".