268254289 has 2 divisors, whose sum is σ = 268254290. Its totient is φ = 268254288.

The previous prime is 268254247. The next prime is 268254307. The reversal of 268254289 is 982452862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183467025 + 84787264 = 13545^2 + 9208^2 .

It is a cyclic number.

It is not a de Polignac number, because 268254289 - 2²⁷ = 134036561 is a prime.

It is not a weakly prime, because it can be changed into another prime (268254689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134127144 + 134127145.

It is an arithmetic number, because the mean of its divisors is an integer number (134127145).

Almost surely, 2^268254289 is an apocalyptic number.

It is an amenable number.

268254289 is a deficient number, since it is larger than the sum of its proper divisors (1).

268254289 is an equidigital number, since it uses as much as digits as its factorization.

268254289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 46.

The square root of 268254289 is about 16378.4702887663. The cubic root of 268254289 is about 644.9344235557.

The spelling of 268254289 in words is "two hundred sixty-eight million, two hundred fifty-four thousand, two hundred eighty-nine".