85033033 has 4 divisors (see below), whose sum is σ = 85247620. Its totient is φ = 84818448.

The previous prime is 85033021. The next prime is 85033051. The reversal of 85033033 is 33033058.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53538489 + 31494544 = 7317^2 + 5612^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85033033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85032989 and 85033007.

It is not an unprimeable number, because it can be changed into a prime (85033063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106698 + ... + 107491.

It is an arithmetic number, because the mean of its divisors is an integer number (21311905).

Almost surely, 2^85033033 is an apocalyptic number.

It is an amenable number.

85033033 is a deficient number, since it is larger than the sum of its proper divisors (214587).

85033033 is a wasteful number, since it uses less digits than its factorization.

85033033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214586.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 85033033 is about 9221.3357492285. The cubic root of 85033033 is about 439.7399168880.

Adding to 85033033 its sum of digits (25), we get a palindrome (85033058).

The spelling of 85033033 in words is "eighty-five million, thirty-three thousand, thirty-three".