268505265 has 32 divisors (see below), whose sum is σ = 495590400. Its totient is φ = 121593024.

The previous prime is 268505233. The next prime is 268505383. The reversal of 268505265 is 562505862.

It is a happy number.

It is not a de Polignac number, because 268505265 - 2⁵ = 268505233 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 715 + ... + 23184.

It is an arithmetic number, because the mean of its divisors is an integer number (15487200).

Almost surely, 2^268505265 is an apocalyptic number.

It is an amenable number.

268505265 is a deficient number, since it is larger than the sum of its proper divisors (227085135).

268505265 is a wasteful number, since it uses less digits than its factorization.

268505265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24021.

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 268505265 is about 16386.1302631219. The cubic root of 268505265 is about 645.1354922376.

The spelling of 268505265 in words is "two hundred sixty-eight million, five hundred five thousand, two hundred sixty-five".