255331025 has 24 divisors (see below), whose sum is σ = 340394880. Its totient is φ = 189380160.

The previous prime is 255331009. The next prime is 255331039. The reversal of 255331025 is 520133552.

It is not a de Polignac number, because 255331025 - 2⁴ = 255331009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255330985 and 255331003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16607 + ... + 28043.

It is an arithmetic number, because the mean of its divisors is an integer number (14183120).

Almost surely, 2^255331025 is an apocalyptic number.

255331025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255331025 is a deficient number, since it is larger than the sum of its proper divisors (85063855).

255331025 is a wasteful number, since it uses less digits than its factorization.

255331025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11513 (or 11508 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 255331025 is about 15979.0808559191. The cubic root of 255331025 is about 634.4068489272.

Adding to 255331025 its reverse (520133552), we get a palindrome (775464577).

The spelling of 255331025 in words is "two hundred fifty-five million, three hundred thirty-one thousand, twenty-five".