268565253 has 16 divisors (see below), whose sum is σ = 391887936. Its totient is φ = 162247040.

The previous prime is 268565237. The next prime is 268565261. The reversal of 268565253 is 352565862.

It is a cyclic number.

It is not a de Polignac number, because 268565253 - 2⁴ = 268565237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268565053) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2376 + ... + 23297.

It is an arithmetic number, because the mean of its divisors is an integer number (24492996).

Almost surely, 2^268565253 is an apocalyptic number.

It is an amenable number.

268565253 is a deficient number, since it is larger than the sum of its proper divisors (123322683).

268565253 is a wasteful number, since it uses less digits than its factorization.

268565253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26004.

The product of its digits is 432000, while the sum is 42.

The square root of 268565253 is about 16387.9606113757. The cubic root of 268565253 is about 645.1835328924.

The spelling of 268565253 in words is "two hundred sixty-eight million, five hundred sixty-five thousand, two hundred fifty-three".