85603297 has 8 divisors (see below), whose sum is σ = 92277416. Its totient is φ = 78941952.

The previous prime is 85603247. The next prime is 85603319. The reversal of 85603297 is 79230658.

It can be written as a sum of positive squares in 4 ways, for example, as 50069776 + 35533521 = 7076^2 + 5961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85603297 - 2⁷ = 85603169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85603247) 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 in 7 ways as a sum of consecutive naturals, for example, 14323 + ... + 19399.

It is an arithmetic number, because the mean of its divisors is an integer number (11534677).

Almost surely, 2^85603297 is an apocalyptic number.

It is an amenable number.

85603297 is a deficient number, since it is larger than the sum of its proper divisors (6674119).

85603297 is a wasteful number, since it uses less digits than its factorization.

85603297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6387.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 85603297 is about 9252.2049804357. The cubic root of 85603297 is about 440.7207488180.

The spelling of 85603297 in words is "eighty-five million, six hundred three thousand, two hundred ninety-seven".