85017601 has 8 divisors (see below), whose sum is σ = 88547904. Its totient is φ = 81552240.

The previous prime is 85017577. The next prime is 85017617. The reversal of 85017601 is 10671058.

It is a happy number.

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 85017601 - 2⁹ = 85017089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85017601.

It is not an unprimeable number, because it can be changed into a prime (85017631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13555 + ... + 18808.

It is an arithmetic number, because the mean of its divisors is an integer number (11068488).

Almost surely, 2^85017601 is an apocalyptic number.

It is an amenable number.

85017601 is a deficient number, since it is larger than the sum of its proper divisors (3530303).

85017601 is a wasteful number, since it uses less digits than its factorization.

85017601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32471.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 85017601 is about 9220.4989561303. The cubic root of 85017601 is about 439.7133135915.

Adding to 85017601 its reverse (10671058), we get a palindrome (95688659).

The spelling of 85017601 in words is "eighty-five million, seventeen thousand, six hundred one".