85103 has 2 divisors, whose sum is σ = 85104. Its totient is φ = 85102.

The previous prime is 85093. The next prime is 85109. The reversal of 85103 is 30158.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85103 - 2⁴ = 85087 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 85103.

It is not a weakly prime, because it can be changed into another prime (85109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42551 + 42552.

It is an arithmetic number, because the mean of its divisors is an integer number (42552).

2⁸⁵¹⁰³ is an apocalyptic number.

85103 is a deficient number, since it is larger than the sum of its proper divisors (1).

85103 is an equidigital number, since it uses as much as digits as its factorization.

85103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 85103 is about 291.7241848048. The cubic root of 85103 is about 43.9860492962.

Subtracting from 85103 its reverse (30158), we obtain a palindrome (54945).

The spelling of 85103 in words is "eighty-five thousand, one hundred three".