85005293 has 4 divisors (see below), whose sum is σ = 87936540. Its totient is φ = 82074048.

The previous prime is 85005289. The next prime is 85005301. The reversal of 85005293 is 39250058.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39250058 = 2 ⋅19625029.

It can be written as a sum of positive squares in 2 ways, for example, as 31393609 + 53611684 = 5603^2 + 7322^2 .

It is a cyclic number.

It is not a de Polignac number, because 85005293 - 2² = 85005289 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85005203) 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, 1465580 + ... + 1465637.

It is an arithmetic number, because the mean of its divisors is an integer number (21984135).

Almost surely, 2^85005293 is an apocalyptic number.

It is an amenable number.

85005293 is a deficient number, since it is larger than the sum of its proper divisors (2931247).

85005293 is a wasteful number, since it uses less digits than its factorization.

85005293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931246.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 85005293 is about 9219.8315060526. The cubic root of 85005293 is about 439.6920934654.

The spelling of 85005293 in words is "eighty-five million, five thousand, two hundred ninety-three".