2828513 has 4 divisors (see below), whose sum is σ = 2834580. Its totient is φ = 2822448.

The previous prime is 2828491. The next prime is 2828521. The reversal of 2828513 is 3158282.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3158282 = 2 ⋅1579141.

It can be written as a sum of positive squares in 2 ways, for example, as 2505889 + 322624 = 1583^2 + 568^2 .

It is a cyclic number.

It is not a de Polignac number, because 2828513 - 2⁸ = 2828257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2828543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2270 + ... + 3287.

It is an arithmetic number, because the mean of its divisors is an integer number (708645).

2^2828513 is an apocalyptic number.

It is an amenable number.

2828513 is a deficient number, since it is larger than the sum of its proper divisors (6067).

2828513 is an equidigital number, since it uses as much as digits as its factorization.

2828513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6066.

The product of its digits is 3840, while the sum is 29.

The square root of 2828513 is about 1681.8183611794. The cubic root of 2828513 is about 141.4227874771.

The spelling of 2828513 in words is "two million, eight hundred twenty-eight thousand, five hundred thirteen".