268468481 has 2 divisors, whose sum is σ = 268468482. Its totient is φ = 268468480.

The previous prime is 268468441. The next prime is 268468511. The reversal of 268468481 is 184864862.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268468225 + 256 = 16385^2 + 16^2 .

It is a cyclic number.

It is not a de Polignac number, because 268468481 - 2¹⁰ = 268467457 is a prime.

It is a super-2 number, since 2×268468481² = 144150650580894722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (268468441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134234240 + 134234241.

It is an arithmetic number, because the mean of its divisors is an integer number (134234241).

Almost surely, 2^268468481 is an apocalyptic number.

It is an amenable number.

268468481 is a deficient number, since it is larger than the sum of its proper divisors (1).

268468481 is an equidigital number, since it uses as much as digits as its factorization.

268468481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 589824, while the sum is 47.

The square root of 268468481 is about 16385.0078120213. The cubic root of 268468481 is about 645.1060306829.

The spelling of 268468481 in words is "two hundred sixty-eight million, four hundred sixty-eight thousand, four hundred eighty-one".