85426533 has 12 divisors (see below), whose sum is σ = 123622668. Its totient is φ = 56845440.

The previous prime is 85426519. The next prime is 85426559. The reversal of 85426533 is 33562458.

It is a happy number.

85426533 is a `hidden beast` number, since 85 + 42 + 6 + 533 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42419169 + 43007364 = 6513^2 + 6558^2 .

It is not a de Polignac number, because 85426533 - 2⁵ = 85426501 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85426633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3508 + ... + 13533.

It is an arithmetic number, because the mean of its divisors is an integer number (10301889).

Almost surely, 2^85426533 is an apocalyptic number.

It is an amenable number.

85426533 is a deficient number, since it is larger than the sum of its proper divisors (38196135).

85426533 is a wasteful number, since it uses less digits than its factorization.

85426533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17604 (or 17601 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 85426533 is about 9242.6475103187. The cubic root of 85426533 is about 440.4171886814.

The spelling of 85426533 in words is "eighty-five million, four hundred twenty-six thousand, five hundred thirty-three".