255443425 has 12 divisors (see below), whose sum is σ = 321091180. Its totient is φ = 201553920.

The previous prime is 255443423. The next prime is 255443431. The reversal of 255443425 is 524344552.

It can be written as a sum of positive squares in 6 ways, for example, as 40908816 + 214534609 = 6396^2 + 14647^2 .

It is not a de Polignac number, because 255443425 - 2¹ = 255443423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255443423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68160 + ... + 71809.

Almost surely, 2^255443425 is an apocalyptic number.

255443425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255443425 is a deficient number, since it is larger than the sum of its proper divisors (65647755).

255443425 is a wasteful number, since it uses less digits than its factorization.

255443425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140052 (or 140047 counting only the distinct ones).

The product of its digits is 96000, while the sum is 34.

The square root of 255443425 is about 15982.5975673543. The cubic root of 255443425 is about 634.4999266210.

Adding to 255443425 its reverse (524344552), we get a palindrome (779787977).

The spelling of 255443425 in words is "two hundred fifty-five million, four hundred forty-three thousand, four hundred twenty-five".