85045601 has 4 divisors (see below), whose sum is σ = 85104432. Its totient is φ = 84986772.

The previous prime is 85045591. The next prime is 85045637. The reversal of 85045601 is 10654058.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85045601 - 2⁶ = 85045537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85095601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27191 + ... + 30156.

It is an arithmetic number, because the mean of its divisors is an integer number (21276108).

Almost surely, 2^85045601 is an apocalyptic number.

It is an amenable number.

85045601 is a deficient number, since it is larger than the sum of its proper divisors (58831).

85045601 is a wasteful number, since it uses less digits than its factorization.

85045601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58830.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 85045601 is about 9222.0171871451. The cubic root of 85045601 is about 439.7615805435.

Adding to 85045601 its reverse (10654058), we get a palindrome (95699659).

The spelling of 85045601 in words is "eighty-five million, forty-five thousand, six hundred one".