268474243 has 2 divisors, whose sum is σ = 268474244. Its totient is φ = 268474242.

The previous prime is 268474211. The next prime is 268474253. The reversal of 268474243 is 342474862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268474243 - 2⁵ = 268474211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268474196 and 268474205.

It is not a weakly prime, because it can be changed into another prime (268474253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134237121 + 134237122.

It is an arithmetic number, because the mean of its divisors is an integer number (134237122).

Almost surely, 2^268474243 is an apocalyptic number.

268474243 is a deficient number, since it is larger than the sum of its proper divisors (1).

268474243 is an equidigital number, since it uses as much as digits as its factorization.

268474243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 40.

The square root of 268474243 is about 16385.1836425473. The cubic root of 268474243 is about 645.1106458421.

The spelling of 268474243 in words is "two hundred sixty-eight million, four hundred seventy-four thousand, two hundred forty-three".