85242293 has 4 divisors (see below), whose sum is σ = 85280448. Its totient is φ = 85204140.

The previous prime is 85242263. The next prime is 85242307. The reversal of 85242293 is 39224258.

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 85242293 - 2⁶ = 85242229 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 (85242263) 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, 15503 + ... + 20268.

It is an arithmetic number, because the mean of its divisors is an integer number (21320112).

Almost surely, 2^85242293 is an apocalyptic number.

It is an amenable number.

85242293 is a deficient number, since it is larger than the sum of its proper divisors (38155).

85242293 is a wasteful number, since it uses less digits than its factorization.

85242293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38154.

The product of its digits is 34560, while the sum is 35.

The square root of 85242293 is about 9232.6752894272. The cubic root of 85242293 is about 440.1003438500.

The spelling of 85242293 in words is "eighty-five million, two hundred forty-two thousand, two hundred ninety-three".