283449137 has 2 divisors, whose sum is σ = 283449138. Its totient is φ = 283449136.

The previous prime is 283449091. The next prime is 283449139. The reversal of 283449137 is 731944382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279591841 + 3857296 = 16721^2 + 1964^2 .

It is a cyclic number.

It is not a de Polignac number, because 283449137 - 2¹⁴ = 283432753 is a prime.

Together with 283449139, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 283449094 and 283449103.

It is not a weakly prime, because it can be changed into another prime (283449139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141724568 + 141724569.

It is an arithmetic number, because the mean of its divisors is an integer number (141724569).

Almost surely, 2^283449137 is an apocalyptic number.

It is an amenable number.

283449137 is a deficient number, since it is larger than the sum of its proper divisors (1).

283449137 is an equidigital number, since it uses as much as digits as its factorization.

283449137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 283449137 is about 16835.9477606697. The cubic root of 283449137 is about 656.8885819523. Note that the first 3 decimals are identical.

The spelling of 283449137 in words is "two hundred eighty-three million, four hundred forty-nine thousand, one hundred thirty-seven".