285268267 has 2 divisors, whose sum is σ = 285268268. Its totient is φ = 285268266.

The previous prime is 285268259. The next prime is 285268301. The reversal of 285268267 is 762862582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285268267 - 2³ = 285268259 is a prime.

It is not a weakly prime, because it can be changed into another prime (285268237) 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, 142634133 + 142634134.

It is an arithmetic number, because the mean of its divisors is an integer number (142634134).

Almost surely, 2^285268267 is an apocalyptic number.

285268267 is a deficient number, since it is larger than the sum of its proper divisors (1).

285268267 is an equidigital number, since it uses as much as digits as its factorization.

285268267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 46.

The square root of 285268267 is about 16889.8865301103. The cubic root of 285268267 is about 658.2908540377.

The spelling of 285268267 in words is "two hundred eighty-five million, two hundred sixty-eight thousand, two hundred sixty-seven".