268509125 has 8 divisors (see below), whose sum is σ = 335099544. Its totient is φ = 214807200.

The previous prime is 268509103. The next prime is 268509139. The reversal of 268509125 is 521905862.

It can be written as a sum of positive squares in 4 ways, for example, as 630436 + 267878689 = 794^2 + 16367^2 .

It is not a de Polignac number, because 268509125 - 2⁸ = 268508869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073912 + ... + 1074161.

It is an arithmetic number, because the mean of its divisors is an integer number (41887443).

Almost surely, 2^268509125 is an apocalyptic number.

268509125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

268509125 is a deficient number, since it is larger than the sum of its proper divisors (66590419).

268509125 is an equidigital number, since it uses as much as digits as its factorization.

268509125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148088 (or 2148078 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 268509125 is about 16386.2480452360. The cubic root of 268509125 is about 645.1385836867.

The spelling of 268509125 in words is "two hundred sixty-eight million, five hundred nine thousand, one hundred twenty-five".