16852513 has 4 divisors (see below), whose sum is σ = 16898068. Its totient is φ = 16806960.

The previous prime is 16852483. The next prime is 16852529. The reversal of 16852513 is 31525861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31525861 = 47 ⋅670763.

It can be written as a sum of positive squares in 2 ways, for example, as 4129024 + 12723489 = 2032^2 + 3567^2 .

It is a cyclic number.

It is not a de Polignac number, because 16852513 - 2²¹ = 14755361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16852543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22218 + ... + 22963.

It is an arithmetic number, because the mean of its divisors is an integer number (4224517).

Almost surely, 2^16852513 is an apocalyptic number.

It is an amenable number.

16852513 is a deficient number, since it is larger than the sum of its proper divisors (45555).

16852513 is an equidigital number, since it uses as much as digits as its factorization.

16852513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45554.

The product of its digits is 7200, while the sum is 31.

The square root of 16852513 is about 4105.1812383864. The cubic root of 16852513 is about 256.3824088259.

The spelling of 16852513 in words is "sixteen million, eight hundred fifty-two thousand, five hundred thirteen".