268042265 has 4 divisors (see below), whose sum is σ = 321650724. Its totient is φ = 214433808.

The previous prime is 268042249. The next prime is 268042283. The reversal of 268042265 is 562240862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46389721 + 221652544 = 6811^2 + 14888^2 .

It is a cyclic number.

It is not a de Polignac number, because 268042265 - 2⁴ = 268042249 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 26804222 + ... + 26804231.

It is an arithmetic number, because the mean of its divisors is an integer number (80412681).

Almost surely, 2^268042265 is an apocalyptic number.

It is an amenable number.

268042265 is a deficient number, since it is larger than the sum of its proper divisors (53608459).

268042265 is an equidigital number, since it uses as much as digits as its factorization.

268042265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53608458.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 268042265 is about 16371.9963657460. The cubic root of 268042265 is about 644.7644634049.

The spelling of 268042265 in words is "two hundred sixty-eight million, forty-two thousand, two hundred sixty-five".