85571133 has 8 divisors (see below), whose sum is σ = 114214848. Its totient is φ = 56987424.

The previous prime is 85571131. The next prime is 85571137. The reversal of 85571133 is 33117558.

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

It is not a de Polignac number, because 85571133 - 2¹ = 85571131 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85571094 and 85571103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85571131) 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, 11560 + ... + 17457.

It is an arithmetic number, because the mean of its divisors is an integer number (14276856).

Almost surely, 2^85571133 is an apocalyptic number.

It is an amenable number.

85571133 is a deficient number, since it is larger than the sum of its proper divisors (28643715).

85571133 is a wasteful number, since it uses less digits than its factorization.

85571133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30003.

The product of its digits is 12600, while the sum is 33.

The square root of 85571133 is about 9250.4666368784. The cubic root of 85571133 is about 440.6655440988.

The spelling of 85571133 in words is "eighty-five million, five hundred seventy-one thousand, one hundred thirty-three".