85010001 has 16 divisors (see below), whose sum is σ = 118855680. Its totient is φ = 53943120.

The previous prime is 85009999. The next prime is 85010021. The reversal of 85010001 is 10001058.

It is a happy number.

It is not a de Polignac number, because 85010001 - 2¹ = 85009999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85010021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11640 + ... + 17478.

It is an arithmetic number, because the mean of its divisors is an integer number (7428480).

Almost surely, 2^85010001 is an apocalyptic number.

It is an amenable number.

85010001 is a deficient number, since it is larger than the sum of its proper divisors (33845679).

85010001 is a wasteful number, since it uses less digits than its factorization.

85010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 85010001 is about 9220.0868217170. The cubic root of 85010001 is about 439.7002107331.

Adding to 85010001 its reverse (10001058), we get a palindrome (95011059).

The spelling of 85010001 in words is "eighty-five million, ten thousand, one".