284261797 has 2 divisors, whose sum is σ = 284261798. Its totient is φ = 284261796.

The previous prime is 284261779. The next prime is 284261821. The reversal of 284261797 is 797162482.

Together with previous prime (284261779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251095716 + 33166081 = 15846^2 + 5759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-284261797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284261297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142130898 + 142130899.

It is an arithmetic number, because the mean of its divisors is an integer number (142130899).

Almost surely, 2^284261797 is an apocalyptic number.

It is an amenable number.

284261797 is a deficient number, since it is larger than the sum of its proper divisors (1).

284261797 is an equidigital number, since it uses as much as digits as its factorization.

284261797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The square root of 284261797 is about 16860.0651540853. The cubic root of 284261797 is about 657.5157582232.

The spelling of 284261797 in words is "two hundred eighty-four million, two hundred sixty-one thousand, seven hundred ninety-seven".