268285307 has 2 divisors, whose sum is σ = 268285308. Its totient is φ = 268285306.

The previous prime is 268285291. The next prime is 268285309. The reversal of 268285307 is 703582862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268285307 - 2⁴ = 268285291 is a prime.

Together with 268285309, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (268285309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134142653 + 134142654.

It is an arithmetic number, because the mean of its divisors is an integer number (134142654).

Almost surely, 2^268285307 is an apocalyptic number.

268285307 is a deficient number, since it is larger than the sum of its proper divisors (1).

268285307 is an equidigital number, since it uses as much as digits as its factorization.

268285307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 268285307 is about 16379.4171752233. The cubic root of 268285307 is about 644.9592803250.

The spelling of 268285307 in words is "two hundred sixty-eight million, two hundred eighty-five thousand, three hundred seven".