85197103 has 2 divisors, whose sum is σ = 85197104. Its totient is φ = 85197102.

The previous prime is 85197097. The next prime is 85197107. The reversal of 85197103 is 30179158.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85197103 - 2⁵ = 85197071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85197107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42598551 + 42598552.

It is an arithmetic number, because the mean of its divisors is an integer number (42598552).

Almost surely, 2^85197103 is an apocalyptic number.

85197103 is a deficient number, since it is larger than the sum of its proper divisors (1).

85197103 is an equidigital number, since it uses as much as digits as its factorization.

85197103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 85197103 is about 9230.2276786654. The cubic root of 85197103 is about 440.0225591051.

The spelling of 85197103 in words is "eighty-five million, one hundred ninety-seven thousand, one hundred three".