85197141 has 12 divisors (see below), whose sum is σ = 124153068. Its totient is φ = 56294784.

The previous prime is 85197127. The next prime is 85197163. The reversal of 85197141 is 14179158.

It can be written as a sum of positive squares in 2 ways, for example, as 13727025 + 71470116 = 3705^2 + 8454^2 .

It is not a de Polignac number, because 85197141 - 2⁵ = 85197109 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85197096 and 85197105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85197191) 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, 40870 + ... + 42903.

It is an arithmetic number, because the mean of its divisors is an integer number (10346089).

Almost surely, 2^85197141 is an apocalyptic number.

It is an amenable number.

85197141 is a deficient number, since it is larger than the sum of its proper divisors (38955927).

85197141 is a wasteful number, since it uses less digits than its factorization.

85197141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83892 (or 83889 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 85197141 is about 9230.2297371192. The cubic root of 85197141 is about 440.0226245253.

The spelling of 85197141 in words is "eighty-five million, one hundred ninety-seven thousand, one hundred forty-one".