268472291 has 2 divisors, whose sum is σ = 268472292. Its totient is φ = 268472290.

The previous prime is 268472287. The next prime is 268472311. The reversal of 268472291 is 192274862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268472291 - 2² = 268472287 is a prime.

It is not a weakly prime, because it can be changed into another prime (268472231) 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 as a sum of consecutive naturals, namely, 134236145 + 134236146.

It is an arithmetic number, because the mean of its divisors is an integer number (134236146).

Almost surely, 2^268472291 is an apocalyptic number.

268472291 is a deficient number, since it is larger than the sum of its proper divisors (1).

268472291 is an equidigital number, since it uses as much as digits as its factorization.

268472291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 268472291 is about 16385.1240764298. The cubic root of 268472291 is about 645.1090823662.

The spelling of 268472291 in words is "two hundred sixty-eight million, four hundred seventy-two thousand, two hundred ninety-one".