255443225 has 6 divisors (see below), whose sum is σ = 316749630. Its totient is φ = 204354560.

The previous prime is 255443197. The next prime is 255443249. The reversal of 255443225 is 522344552.

255443225 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 3 ways, for example, as 32478601 + 222964624 = 5699^2 + 14932^2 .

It is not a de Polignac number, because 255443225 - 2¹⁴ = 255426841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255443191 and 255443200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5108840 + ... + 5108889.

It is an arithmetic number, because the mean of its divisors is an integer number (52791605).

Almost surely, 2^255443225 is an apocalyptic number.

255443225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255443225 is a deficient number, since it is larger than the sum of its proper divisors (61306405).

255443225 is a wasteful number, since it uses less digits than its factorization.

255443225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10217739 (or 10217734 counting only the distinct ones).

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

The square root of 255443225 is about 15982.5913105479. The cubic root of 255443225 is about 634.4997610266.

Adding to 255443225 its reverse (522344552), we get a palindrome (777787777).

The spelling of 255443225 in words is "two hundred fifty-five million, four hundred forty-three thousand, two hundred twenty-five".