268508903 has 16 divisors (see below), whose sum is σ = 294204960. Its totient is φ = 243572736.

The previous prime is 268508881. The next prime is 268508917. The reversal of 268508903 is 309805862.

It is a cyclic number.

It is not a de Polignac number, because 268508903 - 2¹² = 268504807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268508953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189863 + ... + 191271.

It is an arithmetic number, because the mean of its divisors is an integer number (18387810).

Almost surely, 2^268508903 is an apocalyptic number.

268508903 is a deficient number, since it is larger than the sum of its proper divisors (25696057).

268508903 is a wasteful number, since it uses less digits than its factorization.

268508903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 268508903 is about 16386.2412712617. The cubic root of 268508903 is about 645.1384058892.

It can be divided in two parts, 26850 and 8903, that added together give a palindrome (35753).

The spelling of 268508903 in words is "two hundred sixty-eight million, five hundred eight thousand, nine hundred three".