255298513 has 12 divisors (see below), whose sum is σ = 270752220. Its totient is φ = 240437120.

The previous prime is 255298507. The next prime is 255298517. The reversal of 255298513 is 315892552.

It can be written as a sum of positive squares in 6 ways, for example, as 30658369 + 224640144 = 5537^2 + 14988^2 .

It is a de Polignac number, because none of the positive numbers 2^k-255298513 is a prime.

It is a super-2 number, since 2×255298513² = 130354661480022338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255298517) 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, 46131 + ... + 51367.

It is an arithmetic number, because the mean of its divisors is an integer number (22562685).

Almost surely, 2^255298513 is an apocalyptic number.

It is an amenable number.

255298513 is a deficient number, since it is larger than the sum of its proper divisors (15453707).

255298513 is an equidigital number, since it uses as much as digits as its factorization.

255298513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348 (or 5307 counting only the distinct ones).

The product of its digits is 108000, while the sum is 40.

The square root of 255298513 is about 15978.0634934275. The cubic root of 255298513 is about 634.3799208626.

The spelling of 255298513 in words is "two hundred fifty-five million, two hundred ninety-eight thousand, five hundred thirteen".