282420869 has 2 divisors, whose sum is σ = 282420870. Its totient is φ = 282420868.

The previous prime is 282420857. The next prime is 282420877. The reversal of 282420869 is 968024282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272580100 + 9840769 = 16510^2 + 3137^2 .

It is a cyclic number.

It is not a de Polignac number, because 282420869 - 2¹² = 282416773 is a prime.

It is a super-2 number, since 2×282420869² = 159523094493430322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (282420899) 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, 141210434 + 141210435.

It is an arithmetic number, because the mean of its divisors is an integer number (141210435).

Almost surely, 2^282420869 is an apocalyptic number.

It is an amenable number.

282420869 is a deficient number, since it is larger than the sum of its proper divisors (1).

282420869 is an equidigital number, since it uses as much as digits as its factorization.

282420869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 282420869 is about 16805.3821438252. The cubic root of 282420869 is about 656.0932882463.

The spelling of 282420869 in words is "two hundred eighty-two million, four hundred twenty thousand, eight hundred sixty-nine".