8205513 has 8 divisors (see below), whose sum is σ = 11147328. Its totient is φ = 5367024.

The previous prime is 8205497. The next prime is 8205523. The reversal of 8205513 is 3155028.

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

It is not a de Polignac number, because 8205513 - 2⁴ = 8205497 is a prime.

It is an Ulam number.

8205513 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8205523) 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 7 ways as a sum of consecutive naturals, for example, 25645 + ... + 25962.

It is an arithmetic number, because the mean of its divisors is an integer number (1393416).

Almost surely, 2^8205513 is an apocalyptic number.

It is an amenable number.

8205513 is a deficient number, since it is larger than the sum of its proper divisors (2941815).

8205513 is a wasteful number, since it uses less digits than its factorization.

8205513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51663.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 8205513 is about 2864.5266624697. The cubic root of 8205513 is about 201.6981489755.

The spelling of 8205513 in words is "eight million, two hundred five thousand, five hundred thirteen".