268526239 has 2 divisors, whose sum is σ = 268526240. Its totient is φ = 268526238.

The previous prime is 268526227. The next prime is 268526263. The reversal of 268526239 is 932625862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268526239 - 2¹⁵ = 268493471 is a prime.

It is a super-3 number, since 3×268526239³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 268526195 and 268526204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268526039) 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, 134263119 + 134263120.

It is an arithmetic number, because the mean of its divisors is an integer number (134263120).

Almost surely, 2^268526239 is an apocalyptic number.

268526239 is a deficient number, since it is larger than the sum of its proper divisors (1).

268526239 is an equidigital number, since it uses as much as digits as its factorization.

268526239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 268526239 is about 16386.7702430955. The cubic root of 268526239 is about 645.1522898220.

The spelling of 268526239 in words is "two hundred sixty-eight million, five hundred twenty-six thousand, two hundred thirty-nine".