268140625 has 21 divisors (see below), whose sum is σ = 337749583. Its totient is φ = 212875000.

The previous prime is 268140619. The next prime is 268140661. The reversal of 268140625 is 526041862.

The square root of 268140625 is 16375.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 234916929 + 33223696 = 15327^2 + 5764^2 .

It is a de Polignac number, because none of the positive numbers 2^k-268140625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 2046810 + ... + 2046940.

Almost surely, 2^268140625 is an apocalyptic number.

268140625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

268140625 is the 16375-th square number.

268140625 is the 8188-th centered octagonal number.

It is an amenable number.

268140625 is a deficient number, since it is larger than the sum of its proper divisors (69608958).

268140625 is an frugal number, since it uses more digits than its factorization.

268140625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The cubic root of 268140625 is about 644.8433207161.

The spelling of 268140625 in words is "two hundred sixty-eight million, one hundred forty thousand, six hundred twenty-five".