85330243 has 2 divisors, whose sum is σ = 85330244. Its totient is φ = 85330242.

The previous prime is 85330241. The next prime is 85330249. The reversal of 85330243 is 34203358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85330243 - 2¹ = 85330241 is a prime.

Together with 85330241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (85330241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42665121 + 42665122.

It is an arithmetic number, because the mean of its divisors is an integer number (42665122).

Almost surely, 2^85330243 is an apocalyptic number.

85330243 is a deficient number, since it is larger than the sum of its proper divisors (1).

85330243 is an equidigital number, since it uses as much as digits as its factorization.

85330243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 85330243 is about 9237.4370363213. The cubic root of 85330243 is about 440.2516518427.

The spelling of 85330243 in words is "eighty-five million, three hundred thirty thousand, two hundred forty-three".