2872513 has 4 divisors (see below), whose sum is σ = 3282880. Its totient is φ = 2462148.

The previous prime is 2872481. The next prime is 2872523. The reversal of 2872513 is 3152782.

2872513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3152782 = 2 ⋅1576391.

It is a cyclic number.

It is not a de Polignac number, because 2872513 - 2⁵ = 2872481 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2872523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205173 + ... + 205186.

It is an arithmetic number, because the mean of its divisors is an integer number (820720).

2^2872513 is an apocalyptic number.

It is an amenable number.

2872513 is a deficient number, since it is larger than the sum of its proper divisors (410367).

2872513 is an equidigital number, since it uses as much as digits as its factorization.

2872513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410366.

The product of its digits is 3360, while the sum is 28.

The square root of 2872513 is about 1694.8489608222. The cubic root of 2872513 is about 142.1523360212.

The spelling of 2872513 in words is "two million, eight hundred seventy-two thousand, five hundred thirteen".