85573315 has 4 divisors (see below), whose sum is σ = 102687984. Its totient is φ = 68458648.

The previous prime is 85573309. The next prime is 85573331. The reversal of 85573315 is 51337558.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85573315 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8557327 + ... + 8557336.

It is an arithmetic number, because the mean of its divisors is an integer number (25671996).

Almost surely, 2^85573315 is an apocalyptic number.

85573315 is a deficient number, since it is larger than the sum of its proper divisors (17114669).

85573315 is a wasteful number, since it uses less digits than its factorization.

85573315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17114668.

The product of its digits is 63000, while the sum is 37.

The square root of 85573315 is about 9250.5845761227. The cubic root of 85573315 is about 440.6692896144.

The spelling of 85573315 in words is "eighty-five million, five hundred seventy-three thousand, three hundred fifteen".