255013225 has 6 divisors (see below), whose sum is σ = 316216430. Its totient is φ = 204010560.

The previous prime is 255013219. The next prime is 255013247. The reversal of 255013225 is 522310552.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 39980329 + 215032896 = 6323^2 + 14664^2 .

It is not a de Polignac number, because 255013225 - 2³ = 255013217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 10200529 = 255013225 / (2 + 5 + 5 + 0 + 1 + 3 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 255013225.

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, 5100240 + ... + 5100289.

Almost surely, 2^255013225 is an apocalyptic number.

255013225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255013225 is a deficient number, since it is larger than the sum of its proper divisors (61203205).

255013225 is a wasteful number, since it uses less digits than its factorization.

255013225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10200539 (or 10200534 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 255013225 is about 15969.1335081150. The cubic root of 255013225 is about 634.1435329676.

Adding to 255013225 its reverse (522310552), we get a palindrome (777323777).

The spelling of 255013225 in words is "two hundred fifty-five million, thirteen thousand, two hundred twenty-five".