268880273 has 2 divisors, whose sum is σ = 268880274. Its totient is φ = 268880272.

The previous prime is 268880263. The next prime is 268880317. The reversal of 268880273 is 372088862.

It is an a-pointer prime, because the next prime (268880317) can be obtained adding 268880273 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266081344 + 2798929 = 16312^2 + 1673^2 .

It is a cyclic number.

It is not a de Polignac number, because 268880273 - 2¹² = 268876177 is a prime.

It is not a weakly prime, because it can be changed into another prime (268880263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134440136 + 134440137.

It is an arithmetic number, because the mean of its divisors is an integer number (134440137).

Almost surely, 2^268880273 is an apocalyptic number.

It is an amenable number.

268880273 is a deficient number, since it is larger than the sum of its proper divisors (1).

268880273 is an equidigital number, since it uses as much as digits as its factorization.

268880273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 268880273 is about 16397.5691186224. The cubic root of 268880273 is about 645.4356954472.

The spelling of 268880273 in words is "two hundred sixty-eight million, eight hundred eighty thousand, two hundred seventy-three".