284068133 has 2 divisors, whose sum is σ = 284068134. Its totient is φ = 284068132.

The previous prime is 284068123. The next prime is 284068157. The reversal of 284068133 is 331860482.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 282307204 + 1760929 = 16802^2 + 1327^2 .

It is a cyclic number.

It is not a de Polignac number, because 284068133 - 2⁴ = 284068117 is a prime.

It is a super-2 number, since 2×284068133² = 161389408372211378, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 284068093 and 284068102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284068123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142034066 + 142034067.

It is an arithmetic number, because the mean of its divisors is an integer number (142034067).

Almost surely, 2^284068133 is an apocalyptic number.

It is an amenable number.

284068133 is a deficient number, since it is larger than the sum of its proper divisors (1).

284068133 is an equidigital number, since it uses as much as digits as its factorization.

284068133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 284068133 is about 16854.3208999948. The cubic root of 284068133 is about 657.3664052186.

The spelling of 284068133 in words is "two hundred eighty-four million, sixty-eight thousand, one hundred thirty-three".