85307603 has 2 divisors, whose sum is σ = 85307604. Its totient is φ = 85307602.

The previous prime is 85307561. The next prime is 85307609. The reversal of 85307603 is 30670358.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85307603 - 2⁶ = 85307539 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85307603.

It is not a weakly prime, because it can be changed into another prime (85307609) 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, 42653801 + 42653802.

It is an arithmetic number, because the mean of its divisors is an integer number (42653802).

Almost surely, 2^85307603 is an apocalyptic number.

85307603 is a deficient number, since it is larger than the sum of its proper divisors (1).

85307603 is an equidigital number, since it uses as much as digits as its factorization.

85307603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 85307603 is about 9236.2115068896. The cubic root of 85307603 is about 440.2127122331.

The spelling of 85307603 in words is "eighty-five million, three hundred seven thousand, six hundred three".