8515073 has 6 divisors (see below), whose sum is σ = 9905346. Its totient is φ = 7298592.

The previous prime is 8515063. The next prime is 8515081. The reversal of 8515073 is 3705158.

It can be written as a sum of positive squares in only one way, i.e., 5303809 + 3211264 = 2303^2 + 1792^2 .

It is not a de Polignac number, because 8515073 - 2¹⁰ = 8514049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8515063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86840 + ... + 86937.

It is an arithmetic number, because the mean of its divisors is an integer number (1650891).

Almost surely, 2^8515073 is an apocalyptic number.

It is an amenable number.

8515073 is a deficient number, since it is larger than the sum of its proper divisors (1390273).

8515073 is a wasteful number, since it uses less digits than its factorization.

8515073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173791 (or 173784 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 8515073 is about 2918.0598006210. The cubic root of 8515073 is about 204.2033167765.

The spelling of 8515073 in words is "eight million, five hundred fifteen thousand, seventy-three".