282921047 has 2 divisors, whose sum is σ = 282921048. Its totient is φ = 282921046.

The previous prime is 282920971. The next prime is 282921103. The reversal of 282921047 is 740129282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 282921047 - 2¹⁰ = 282920023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 282920998 and 282921016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (282921347) 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, 141460523 + 141460524.

It is an arithmetic number, because the mean of its divisors is an integer number (141460524).

Almost surely, 2^282921047 is an apocalyptic number.

282921047 is a deficient number, since it is larger than the sum of its proper divisors (1).

282921047 is an equidigital number, since it uses as much as digits as its factorization.

282921047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 282921047 is about 16820.2570432202. The cubic root of 282921047 is about 656.4803817950.

The spelling of 282921047 in words is "two hundred eighty-two million, nine hundred twenty-one thousand, forty-seven".