85012043 has 4 divisors (see below), whose sum is σ = 85792080. Its totient is φ = 84232008.

The previous prime is 85012033. The next prime is 85012127. The reversal of 85012043 is 34021058.

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

It is a cyclic number.

It is not a de Polignac number, because 85012043 - 2¹⁰ = 85011019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85012033) 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, 389855 + ... + 390072.

It is an arithmetic number, because the mean of its divisors is an integer number (21448020).

Almost surely, 2^85012043 is an apocalyptic number.

85012043 is a deficient number, since it is larger than the sum of its proper divisors (780037).

85012043 is a wasteful number, since it uses less digits than its factorization.

85012043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780036.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 85012043 is about 9220.1975575364. The cubic root of 85012043 is about 439.7037313410.

The spelling of 85012043 in words is "eighty-five million, twelve thousand, forty-three".