284545997 has 2 divisors, whose sum is σ = 284545998. Its totient is φ = 284545996.

The previous prime is 284545981. The next prime is 284546047. The reversal of 284545997 is 799545482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246772681 + 37773316 = 15709^2 + 6146^2 .

It is a cyclic number.

It is not a de Polignac number, because 284545997 - 2⁴ = 284545981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284547997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142272998 + 142272999.

It is an arithmetic number, because the mean of its divisors is an integer number (142272999).

Almost surely, 2^284545997 is an apocalyptic number.

It is an amenable number.

284545997 is a deficient number, since it is larger than the sum of its proper divisors (1).

284545997 is an equidigital number, since it uses as much as digits as its factorization.

284545997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 53.

The square root of 284545997 is about 16868.4912484786. The cubic root of 284545997 is about 657.7348095108.

The spelling of 284545997 in words is "two hundred eighty-four million, five hundred forty-five thousand, nine hundred ninety-seven".