284788061 has 2 divisors, whose sum is σ = 284788062. Its totient is φ = 284788060.

The previous prime is 284788051. The next prime is 284788069. The reversal of 284788061 is 160887482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276556900 + 8231161 = 16630^2 + 2869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-284788061 is a prime.

It is a super-2 number, since 2×284788061² = 162208479376279442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284788069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142394030 + 142394031.

It is an arithmetic number, because the mean of its divisors is an integer number (142394031).

Almost surely, 2^284788061 is an apocalyptic number.

It is an amenable number.

284788061 is a deficient number, since it is larger than the sum of its proper divisors (1).

284788061 is an equidigital number, since it uses as much as digits as its factorization.

284788061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 284788061 is about 16875.6647572770. The cubic root of 284788061 is about 657.9212688695.

The spelling of 284788061 in words is "two hundred eighty-four million, seven hundred eighty-eight thousand, sixty-one".