85206103 has 2 divisors, whose sum is σ = 85206104. Its totient is φ = 85206102.

The previous prime is 85206101. The next prime is 85206151. The reversal of 85206103 is 30160258.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85206103 - 2¹ = 85206101 is a prime.

Together with 85206101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85206101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42603051 + 42603052.

It is an arithmetic number, because the mean of its divisors is an integer number (42603052).

Almost surely, 2^85206103 is an apocalyptic number.

85206103 is a deficient number, since it is larger than the sum of its proper divisors (1).

85206103 is an equidigital number, since it uses as much as digits as its factorization.

85206103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 85206103 is about 9230.7151943931. The cubic root of 85206103 is about 440.0380528384.

The spelling of 85206103 in words is "eighty-five million, two hundred six thousand, one hundred three".