268563895 has 4 divisors (see below), whose sum is σ = 322276680. Its totient is φ = 214851112.

The previous prime is 268563863. The next prime is 268563913. The reversal of 268563895 is 598365862.

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

It is a cyclic number.

It is not a de Polignac number, because 268563895 - 2⁵ = 268563863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26856385 + ... + 26856394.

It is an arithmetic number, because the mean of its divisors is an integer number (80569170).

Almost surely, 2^268563895 is an apocalyptic number.

268563895 is a deficient number, since it is larger than the sum of its proper divisors (53712785).

268563895 is an equidigital number, since it uses as much as digits as its factorization.

268563895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53712784.

The product of its digits is 3110400, while the sum is 52.

The square root of 268563895 is about 16387.9191784680. The cubic root of 268563895 is about 645.1824454339.

The spelling of 268563895 in words is "two hundred sixty-eight million, five hundred sixty-three thousand, eight hundred ninety-five".