85148573 has 4 divisors (see below), whose sum is σ = 85245888. Its totient is φ = 85051260.

The previous prime is 85148561. The next prime is 85148579. The reversal of 85148573 is 37584158.

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: 37584158 = 2 ⋅18792079.

It is a cyclic number.

It is not a de Polignac number, because 85148573 - 2¹⁰ = 85147549 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 85148573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85148579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47333 + ... + 49098.

It is an arithmetic number, because the mean of its divisors is an integer number (21311472).

Almost surely, 2^85148573 is an apocalyptic number.

It is an amenable number.

85148573 is a deficient number, since it is larger than the sum of its proper divisors (97315).

85148573 is an equidigital number, since it uses as much as digits as its factorization.

85148573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97314.

The product of its digits is 134400, while the sum is 41.

The square root of 85148573 is about 9227.5984416315. The cubic root of 85148573 is about 439.9389946413.

The spelling of 85148573 in words is "eighty-five million, one hundred forty-eight thousand, five hundred seventy-three".