284261249 has 2 divisors, whose sum is σ = 284261250. Its totient is φ = 284261248.

The previous prime is 284261239. The next prime is 284261251. The reversal of 284261249 is 942162482.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270010624 + 14250625 = 16432^2 + 3775^2 .

It is a cyclic number.

It is not a de Polignac number, because 284261249 - 2⁸ = 284260993 is a prime.

Together with 284261251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (284261239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142130624 + 142130625.

It is an arithmetic number, because the mean of its divisors is an integer number (142130625).

Almost surely, 2^284261249 is an apocalyptic number.

It is an amenable number.

284261249 is a deficient number, since it is larger than the sum of its proper divisors (1).

284261249 is an equidigital number, since it uses as much as digits as its factorization.

284261249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 38.

The square root of 284261249 is about 16860.0489026574. The cubic root of 284261249 is about 657.5153357033.

The spelling of 284261249 in words is "two hundred eighty-four million, two hundred sixty-one thousand, two hundred forty-nine".