85251073 has 8 divisors (see below), whose sum is σ = 91111392. Its totient is φ = 79484736.

The previous prime is 85251059. The next prime is 85251121. The reversal of 85251073 is 37015258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-85251073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85251473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21615 + ... + 25252.

It is an arithmetic number, because the mean of its divisors is an integer number (11388924).

Almost surely, 2^85251073 is an apocalyptic number.

It is an amenable number.

85251073 is a deficient number, since it is larger than the sum of its proper divisors (5860319).

85251073 is a wasteful number, since it uses less digits than its factorization.

85251073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46991.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 85251073 is about 9233.1507623346. The cubic root of 85251073 is about 440.1154535184.

The spelling of 85251073 in words is "eighty-five million, two hundred fifty-one thousand, seventy-three".