85204033 has 2 divisors, whose sum is σ = 85204034. Its totient is φ = 85204032.

The previous prime is 85204013. The next prime is 85204111. The reversal of 85204033 is 33040258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65561409 + 19642624 = 8097^2 + 4432^2 .

It is a cyclic number.

It is not a de Polignac number, because 85204033 - 2²⁵ = 51649601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85203989 and 85204007.

It is not a weakly prime, because it can be changed into another prime (85204013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42602016 + 42602017.

It is an arithmetic number, because the mean of its divisors is an integer number (42602017).

Almost surely, 2^85204033 is an apocalyptic number.

It is an amenable number.

85204033 is a deficient number, since it is larger than the sum of its proper divisors (1).

85204033 is an equidigital number, since it uses as much as digits as its factorization.

85204033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 85204033 is about 9230.6030680557. The cubic root of 85204033 is about 440.0344893764.

The spelling of 85204033 in words is "eighty-five million, two hundred four thousand, thirty-three".