8052509 has 8 divisors (see below), whose sum is σ = 8576568. Its totient is φ = 7534080.

The previous prime is 8052491. The next prime is 8052511. The reversal of 8052509 is 9052508.

It can be written as a sum of positive squares in 4 ways, for example, as 1951609 + 6100900 = 1397^2 + 2470^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8052509 - 2²⁰ = 7003933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8051509) 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, 1769 + ... + 4385.

It is an arithmetic number, because the mean of its divisors is an integer number (1072071).

Almost surely, 2^8052509 is an apocalyptic number.

It is an amenable number.

8052509 is a deficient number, since it is larger than the sum of its proper divisors (524059).

8052509 is a wasteful number, since it uses less digits than its factorization.

8052509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 8052509 is about 2837.6943105275. The cubic root of 8052509 is about 200.4366211164.

Subtracting 8052509 from its reverse (9052508), we obtain a palindrome (999999).

The spelling of 8052509 in words is "eight million, fifty-two thousand, five hundred nine".