85537293 has 4 divisors (see below), whose sum is σ = 114049728. Its totient is φ = 57024860.

The previous prime is 85537289. The next prime is 85537301. The reversal of 85537293 is 39273558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85537293 - 2² = 85537289 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85537213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14256213 + ... + 14256218.

It is an arithmetic number, because the mean of its divisors is an integer number (28512432).

Almost surely, 2^85537293 is an apocalyptic number.

It is an amenable number.

85537293 is a deficient number, since it is larger than the sum of its proper divisors (28512435).

85537293 is a wasteful number, since it uses less digits than its factorization.

85537293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28512434.

The product of its digits is 226800, while the sum is 42.

The square root of 85537293 is about 9248.6373590924. The cubic root of 85537293 is about 440.6074478396.

The spelling of 85537293 in words is "eighty-five million, five hundred thirty-seven thousand, two hundred ninety-three".