84305017 has 2 divisors, whose sum is σ = 84305018. Its totient is φ = 84305016.

The previous prime is 84304967. The next prime is 84305077. The reversal of 84305017 is 71050348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64064016 + 20241001 = 8004^2 + 4499^2 .

It is a cyclic number.

It is not a de Polignac number, because 84305017 - 2¹⁵ = 84272249 is a prime.

It is a Chen prime.

It is equal to p_4905712 and since 84305017 and 4905712 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (84305077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42152508 + 42152509.

It is an arithmetic number, because the mean of its divisors is an integer number (42152509).

Almost surely, 2^84305017 is an apocalyptic number.

It is an amenable number.

84305017 is a deficient number, since it is larger than the sum of its proper divisors (1).

84305017 is an equidigital number, since it uses as much as digits as its factorization.

84305017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 84305017 is about 9181.7763531901. The cubic root of 84305017 is about 438.4813640592.

The spelling of 84305017 in words is "eighty-four million, three hundred five thousand, seventeen".