985200659 has 2 divisors, whose sum is σ = 985200660. Its totient is φ = 985200658.

The previous prime is 985200631. The next prime is 985200661. The reversal of 985200659 is 956002589.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985200659 is a prime.

Together with 985200661, 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 (985200959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492600329 + 492600330.

It is an arithmetic number, because the mean of its divisors is an integer number (492600330).

Almost surely, 2^985200659 is an apocalyptic number.

985200659 is a deficient number, since it is larger than the sum of its proper divisors (1).

985200659 is an equidigital number, since it uses as much as digits as its factorization.

985200659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 985200659 is about 31387.9062538424. The cubic root of 985200659 is about 995.0423486433.

The spelling of 985200659 in words is "nine hundred eighty-five million, two hundred thousand, six hundred fifty-nine".