85157203 has 2 divisors, whose sum is σ = 85157204. Its totient is φ = 85157202.

The previous prime is 85157153. The next prime is 85157209. The reversal of 85157203 is 30275158.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85157203 is a prime.

It is not a weakly prime, because it can be changed into another prime (85157209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42578601 + 42578602.

It is an arithmetic number, because the mean of its divisors is an integer number (42578602).

Almost surely, 2^85157203 is an apocalyptic number.

85157203 is a deficient number, since it is larger than the sum of its proper divisors (1).

85157203 is an equidigital number, since it uses as much as digits as its factorization.

85157203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 85157203 is about 9228.0660487450. The cubic root of 85157203 is about 439.9538570757.

The spelling of 85157203 in words is "eighty-five million, one hundred fifty-seven thousand, two hundred three".