85213175 has 6 divisors (see below), whose sum is σ = 105664368. Its totient is φ = 68170520.

The previous prime is 85213159. The next prime is 85213189. The reversal of 85213175 is 57131258.

It is not a de Polignac number, because 85213175 - 2⁴ = 85213159 is a prime.

It is a super-2 number, since 2×85213175² = 14522570387161250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1704239 + ... + 1704288.

It is an arithmetic number, because the mean of its divisors is an integer number (17610728).

Almost surely, 2^85213175 is an apocalyptic number.

85213175 is a deficient number, since it is larger than the sum of its proper divisors (20451193).

85213175 is a wasteful number, since it uses less digits than its factorization.

85213175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408537 (or 3408532 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 85213175 is about 9231.0982553540. The cubic root of 85213175 is about 440.0502267043.

The spelling of 85213175 in words is "eighty-five million, two hundred thirteen thousand, one hundred seventy-five".