85245233 has 4 divisors (see below), whose sum is σ = 86272368. Its totient is φ = 84218100.

The previous prime is 85245217. The next prime is 85245247. The reversal of 85245233 is 33254258.

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 85245233 - 2⁴ = 85245217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85245233.

It is not an unprimeable number, because it can be changed into a prime (85245203) 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, 513443 + ... + 513608.

It is an arithmetic number, because the mean of its divisors is an integer number (21568092).

Almost surely, 2^85245233 is an apocalyptic number.

85245233 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

85245233 is a deficient number, since it is larger than the sum of its proper divisors (1027135).

85245233 is a wasteful number, since it uses less digits than its factorization.

85245233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027134.

The product of its digits is 28800, while the sum is 32.

The square root of 85245233 is about 9232.8345051777. The cubic root of 85245233 is about 440.1054034672.

The spelling of 85245233 in words is "eighty-five million, two hundred forty-five thousand, two hundred thirty-three".