85432573 has 4 divisors (see below), whose sum is σ = 85596448. Its totient is φ = 85268700.

The previous prime is 85432553. The next prime is 85432601. The reversal of 85432573 is 37523458.

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.

It is a cyclic number.

It is not a de Polignac number, because 85432573 - 2⁵ = 85432541 is a prime.

It is a super-5 number, since 5×85432573⁵ (a number of 41 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85432553) 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, 81153 + ... + 82198.

It is an arithmetic number, because the mean of its divisors is an integer number (21399112).

Almost surely, 2^85432573 is an apocalyptic number.

It is an amenable number.

85432573 is a deficient number, since it is larger than the sum of its proper divisors (163875).

85432573 is a wasteful number, since it uses less digits than its factorization.

85432573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163874.

The product of its digits is 100800, while the sum is 37.

The square root of 85432573 is about 9242.9742507485. The cubic root of 85432573 is about 440.4275681932.

The spelling of 85432573 in words is "eighty-five million, four hundred thirty-two thousand, five hundred seventy-three".