85946243 has 2 divisors, whose sum is σ = 85946244. Its totient is φ = 85946242.

The previous prime is 85946191. The next prime is 85946261. The reversal of 85946243 is 34264958.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85946243 - 2¹⁰ = 85945219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85946243.

It is not a weakly prime, because it can be changed into another prime (85946843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42973121 + 42973122.

It is an arithmetic number, because the mean of its divisors is an integer number (42973122).

Almost surely, 2^85946243 is an apocalyptic number.

85946243 is a deficient number, since it is larger than the sum of its proper divisors (1).

85946243 is an equidigital number, since it uses as much as digits as its factorization.

85946243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 85946243 is about 9270.7196592282. The cubic root of 85946243 is about 441.3085066619.

The spelling of 85946243 in words is "eighty-five million, nine hundred forty-six thousand, two hundred forty-three".