85604903 has 2 divisors, whose sum is σ = 85604904. Its totient is φ = 85604902.

The previous prime is 85604881. The next prime is 85604921. The reversal of 85604903 is 30940658.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85604903 - 2¹⁴ = 85588519 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85604923) 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, 42802451 + 42802452.

It is an arithmetic number, because the mean of its divisors is an integer number (42802452).

Almost surely, 2^85604903 is an apocalyptic number.

85604903 is a deficient number, since it is larger than the sum of its proper divisors (1).

85604903 is an equidigital number, since it uses as much as digits as its factorization.

85604903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 85604903 is about 9252.2917701508. The cubic root of 85604903 is about 440.7235049155.

The spelling of 85604903 in words is "eighty-five million, six hundred four thousand, nine hundred three".