85534541 has 4 divisors (see below), whose sum is σ = 85576284. Its totient is φ = 85492800.

The previous prime is 85534517. The next prime is 85534567. The reversal of 85534541 is 14543558.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55875625 + 29658916 = 7475^2 + 5446^2 .

It is a cyclic number.

It is not a de Polignac number, because 85534541 - 2¹⁰ = 85533517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85534441) 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 3 ways as a sum of consecutive naturals, for example, 17630 + ... + 21951.

It is an arithmetic number, because the mean of its divisors is an integer number (21394071).

Almost surely, 2^85534541 is an apocalyptic number.

It is an amenable number.

85534541 is a deficient number, since it is larger than the sum of its proper divisors (41743).

85534541 is a wasteful number, since it uses less digits than its factorization.

85534541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41742.

The product of its digits is 48000, while the sum is 35.

The square root of 85534541 is about 9248.4885792220. The cubic root of 85534541 is about 440.6027225529.

The spelling of 85534541 in words is "eighty-five million, five hundred thirty-four thousand, five hundred forty-one".