85239033 has 16 divisors (see below), whose sum is σ = 128260800. Its totient is φ = 49878080.

The previous prime is 85239023. The next prime is 85239043. The reversal of 85239033 is 33093258.

It is an interprime number because it is at equal distance from previous prime (85239023) and next prime (85239043).

It is a cyclic number.

It is not a de Polignac number, because 85239033 - 2⁴ = 85239017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85238985 and 85239003.

It is not an unprimeable number, because it can be changed into a prime (85239013) 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 15 ways as a sum of consecutive naturals, for example, 43578 + ... + 45491.

It is an arithmetic number, because the mean of its divisors is an integer number (8016300).

Almost surely, 2^85239033 is an apocalyptic number.

It is an amenable number.

85239033 is a deficient number, since it is larger than the sum of its proper divisors (43021767).

85239033 is a wasteful number, since it uses less digits than its factorization.

85239033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89112.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 85239033 is about 9232.4987408610. The cubic root of 85239033 is about 440.0947333900.

The spelling of 85239033 in words is "eighty-five million, two hundred thirty-nine thousand, thirty-three".