85117303 has 2 divisors, whose sum is σ = 85117304. Its totient is φ = 85117302.

The previous prime is 85117259. The next prime is 85117433. The reversal of 85117303 is 30371158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85117303 - 2⁹ = 85116791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85111303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42558651 + 42558652.

It is an arithmetic number, because the mean of its divisors is an integer number (42558652).

Almost surely, 2^85117303 is an apocalyptic number.

85117303 is a deficient number, since it is larger than the sum of its proper divisors (1).

85117303 is an equidigital number, since it uses as much as digits as its factorization.

85117303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 85117303 is about 9225.9039123546. The cubic root of 85117303 is about 439.8851335831.

The spelling of 85117303 in words is "eighty-five million, one hundred seventeen thousand, three hundred three".