85151001 has 8 divisors (see below), whose sum is σ = 122268160. Its totient is φ = 52400592.

The previous prime is 85150987. The next prime is 85151057. The reversal of 85151001 is 10015158.

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

It is not a de Polignac number, because 85151001 - 2¹⁷ = 85019929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85151071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091641 + ... + 1091718.

It is an arithmetic number, because the mean of its divisors is an integer number (15283520).

Almost surely, 2^85151001 is an apocalyptic number.

It is an amenable number.

85151001 is a deficient number, since it is larger than the sum of its proper divisors (37117159).

85151001 is a wasteful number, since it uses less digits than its factorization.

85151001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183375.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 85151001 is about 9227.7300025521. The cubic root of 85151001 is about 439.9431762018.

Adding to 85151001 its reverse (10015158), we get a palindrome (95166159).

The spelling of 85151001 in words is "eighty-five million, one hundred fifty-one thousand, one".