284545049 has 2 divisors, whose sum is σ = 284545050. Its totient is φ = 284545048.

The previous prime is 284544991. The next prime is 284545057. The reversal of 284545049 is 940545482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284529424 + 15625 = 16868^2 + 125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-284545049 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 284544997 and 284545015.

It is not a weakly prime, because it can be changed into another prime (284545069) 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, 142272524 + 142272525.

It is an arithmetic number, because the mean of its divisors is an integer number (142272525).

Almost surely, 2^284545049 is an apocalyptic number.

It is an amenable number.

284545049 is a deficient number, since it is larger than the sum of its proper divisors (1).

284545049 is an equidigital number, since it uses as much as digits as its factorization.

284545049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 284545049 is about 16868.4631487282. The cubic root of 284545049 is about 657.7340790685.

The spelling of 284545049 in words is "two hundred eighty-four million, five hundred forty-five thousand, forty-nine".