284534057 has 2 divisors, whose sum is σ = 284534058. Its totient is φ = 284534056.

The previous prime is 284534039. The next prime is 284534087. The reversal of 284534057 is 750435482.

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., 275194921 + 9339136 = 16589^2 + 3056^2 .

It is a cyclic number.

It is not a de Polignac number, because 284534057 - 2¹⁰ = 284533033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 284534057.

It is not a weakly prime, because it can be changed into another prime (284534017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142267028 + 142267029.

It is an arithmetic number, because the mean of its divisors is an integer number (142267029).

Almost surely, 2^284534057 is an apocalyptic number.

It is an amenable number.

284534057 is a deficient number, since it is larger than the sum of its proper divisors (1).

284534057 is an equidigital number, since it uses as much as digits as its factorization.

284534057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 284534057 is about 16868.1373304820. The cubic root of 284534057 is about 657.7256095179.

The spelling of 284534057 in words is "two hundred eighty-four million, five hundred thirty-four thousand, fifty-seven".