85185051 has 8 divisors (see below), whose sum is σ = 129805824. Its totient is φ = 48677160.

The previous prime is 85185041. The next prime is 85185071. The reversal of 85185051 is 15058158.

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

It is not a de Polignac number, because 85185051 - 2⁶ = 85184987 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (85185041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028195 + ... + 2028236.

It is an arithmetic number, because the mean of its divisors is an integer number (16225728).

Almost surely, 2^85185051 is an apocalyptic number.

85185051 is a deficient number, since it is larger than the sum of its proper divisors (44620773).

85185051 is a wasteful number, since it uses less digits than its factorization.

85185051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056441.

The product of its (nonzero) digits is 8000, while the sum is 33.

The square root of 85185051 is about 9229.5748006070. The cubic root of 85185051 is about 440.0018095656.

It can be divided in two parts, 85 and 185051, that added together give a triangular number (185136 = T₆₀₈).

The spelling of 85185051 in words is "eighty-five million, one hundred eighty-five thousand, fifty-one".