85433 has 4 divisors (see below), whose sum is σ = 87780. Its totient is φ = 83088.

The previous prime is 85429. The next prime is 85439. The reversal of 85433 is 33458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33458 = 2 ⋅16729.

It can be written as a sum of positive squares in 2 ways, for example, as 73984 + 11449 = 272^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 85433 - 2² = 85429 is a prime.

It is a d-powerful number, because it can be written as 8 + 5³ + 4⁸ + 3⁴ + 3⁹ .

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 85399 and 85408.

It is not an unprimeable number, because it can be changed into a prime (85439) 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, 1118 + ... + 1191.

It is an arithmetic number, because the mean of its divisors is an integer number (21945).

2⁸⁵⁴³³ is an apocalyptic number.

It is an amenable number.

85433 is a deficient number, since it is larger than the sum of its proper divisors (2347).

85433 is a wasteful number, since it uses less digits than its factorization.

85433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346.

The product of its digits is 1440, while the sum is 23.

The square root of 85433 is about 292.2892403083. The cubic root of 85433 is about 44.0428301958.

It can be divided in two parts, 854 and 33, that multiplied together give a palindrome (28182).

The spelling of 85433 in words is "eighty-five thousand, four hundred thirty-three".