283459861 has 2 divisors, whose sum is σ = 283459862. Its totient is φ = 283459860.

The previous prime is 283459859. The next prime is 283459907. The reversal of 283459861 is 168954382.

It is an a-pointer prime, because the next prime (283459907) can be obtained adding 283459861 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275759236 + 7700625 = 16606^2 + 2775^2 .

It is a cyclic number.

It is not a de Polignac number, because 283459861 - 2¹ = 283459859 is a prime.

Together with 283459859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (283459801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141729930 + 141729931.

It is an arithmetic number, because the mean of its divisors is an integer number (141729931).

Almost surely, 2^283459861 is an apocalyptic number.

It is an amenable number.

283459861 is a deficient number, since it is larger than the sum of its proper divisors (1).

283459861 is an equidigital number, since it uses as much as digits as its factorization.

283459861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 46.

The square root of 283459861 is about 16836.2662428461. The cubic root of 283459861 is about 656.8968660774.

The spelling of 283459861 in words is "two hundred eighty-three million, four hundred fifty-nine thousand, eight hundred sixty-one".