85475133 has 12 divisors (see below), whose sum is σ = 130726908. Its totient is φ = 53631360.

The previous prime is 85475113. The next prime is 85475171. The reversal of 85475133 is 33157458.

It can be written as a sum of positive squares in 2 ways, for example, as 44796249 + 40678884 = 6693^2 + 6378^2 .

It is not a de Polignac number, because 85475133 - 2⁵ = 85475101 is a prime.

It is a super-2 number, since 2×85475133² = 14611996722735378, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85475113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279178 + ... + 279483.

It is an arithmetic number, because the mean of its divisors is an integer number (10893909).

Almost surely, 2^85475133 is an apocalyptic number.

It is an amenable number.

85475133 is a deficient number, since it is larger than the sum of its proper divisors (45251775).

85475133 is a wasteful number, since it uses less digits than its factorization.

85475133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558684 (or 558681 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 85475133 is about 9245.2762533090. The cubic root of 85475133 is about 440.5006920804.

The spelling of 85475133 in words is "eighty-five million, four hundred seventy-five thousand, one hundred thirty-three".