268552387 has 2 divisors, whose sum is σ = 268552388. Its totient is φ = 268552386.

The previous prime is 268552381. The next prime is 268552421. The reversal of 268552387 is 783255862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268552387 - 2⁷ = 268552259 is a prime.

It is not a weakly prime, because it can be changed into another prime (268552381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134276193 + 134276194.

It is an arithmetic number, because the mean of its divisors is an integer number (134276194).

Almost surely, 2^268552387 is an apocalyptic number.

268552387 is a deficient number, since it is larger than the sum of its proper divisors (1).

268552387 is an equidigital number, since it uses as much as digits as its factorization.

268552387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 46.

The square root of 268552387 is about 16387.5680624063. The cubic root of 268552387 is about 645.1732299166.

The spelling of 268552387 in words is "two hundred sixty-eight million, five hundred fifty-two thousand, three hundred eighty-seven".