85243303 has 2 divisors, whose sum is σ = 85243304. Its totient is φ = 85243302.

The previous prime is 85243271. The next prime is 85243331. The reversal of 85243303 is 30334258.

It is an a-pointer prime, because the next prime (85243331) can be obtained adding 85243303 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85243303 - 2⁵ = 85243271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85243343) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42621651 + 42621652.

It is an arithmetic number, because the mean of its divisors is an integer number (42621652).

Almost surely, 2^85243303 is an apocalyptic number.

85243303 is a deficient number, since it is larger than the sum of its proper divisors (1).

85243303 is an equidigital number, since it uses as much as digits as its factorization.

85243303 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 85243303 is about 9232.7299863042. The cubic root of 85243303 is about 440.1020820309.

The spelling of 85243303 in words is "eighty-five million, two hundred forty-three thousand, three hundred three".