83430317 has 2 divisors, whose sum is σ = 83430318. Its totient is φ = 83430316.

The previous prime is 83430299. The next prime is 83430337. The reversal of 83430317 is 71303438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83429956 + 361 = 9134^2 + 19^2 .

It is a cyclic number.

It is not a de Polignac number, because 83430317 - 2⁶ = 83430253 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83430317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83430337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41715158 + 41715159.

It is an arithmetic number, because the mean of its divisors is an integer number (41715159).

Almost surely, 2^83430317 is an apocalyptic number.

It is an amenable number.

83430317 is a deficient number, since it is larger than the sum of its proper divisors (1).

83430317 is an equidigital number, since it uses as much as digits as its factorization.

83430317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 83430317 is about 9134.0197613099. The cubic root of 83430317 is about 436.9596127498.

The spelling of 83430317 in words is "eighty-three million, four hundred thirty thousand, three hundred seventeen".