85125533 has 4 divisors (see below), whose sum is σ = 85152288. Its totient is φ = 85098780.

The previous prime is 85125479. The next prime is 85125559. The reversal of 85125533 is 33552158.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33552158 = 2 ⋅16776079.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85125533 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 85125533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85125133) 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, 7841 + ... + 15222.

It is an arithmetic number, because the mean of its divisors is an integer number (21288072).

Almost surely, 2^85125533 is an apocalyptic number.

It is an amenable number.

85125533 is a deficient number, since it is larger than the sum of its proper divisors (26755).

85125533 is a wasteful number, since it uses less digits than its factorization.

85125533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26754.

The product of its digits is 18000, while the sum is 32.

The square root of 85125533 is about 9226.3499283303. The cubic root of 85125533 is about 439.8993106377.

It can be divided in two parts, 85125 and 533, that added together give a palindrome (85658).

The spelling of 85125533 in words is "eighty-five million, one hundred twenty-five thousand, five hundred thirty-three".