85142203 has 2 divisors, whose sum is σ = 85142204. Its totient is φ = 85142202.

The previous prime is 85142201. The next prime is 85142227. The reversal of 85142203 is 30224158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85142203 - 2¹ = 85142201 is a prime.

Together with 85142201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (85142201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42571101 + 42571102.

It is an arithmetic number, because the mean of its divisors is an integer number (42571102).

Almost surely, 2^85142203 is an apocalyptic number.

85142203 is a deficient number, since it is larger than the sum of its proper divisors (1).

85142203 is an equidigital number, since it uses as much as digits as its factorization.

85142203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 85142203 is about 9227.2532749459. The cubic root of 85142203 is about 439.9280236949.

The spelling of 85142203 in words is "eighty-five million, one hundred forty-two thousand, two hundred three".