85005043 has 4 divisors (see below), whose sum is σ = 85027320. Its totient is φ = 84982768.

The previous prime is 85005001. The next prime is 85005059. The reversal of 85005043 is 34050058.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85005043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85004999 and 85005017.

It is not an unprimeable number, because it can be changed into a prime (85005443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3805 + ... + 13582.

It is an arithmetic number, because the mean of its divisors is an integer number (21256830).

Almost surely, 2^85005043 is an apocalyptic number.

85005043 is a deficient number, since it is larger than the sum of its proper divisors (22277).

85005043 is a wasteful number, since it uses less digits than its factorization.

85005043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22276.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 85005043 is about 9219.8179483111. The cubic root of 85005043 is about 439.6916624211.

The spelling of 85005043 in words is "eighty-five million, five thousand, forty-three".