2528813 has 8 divisors (see below), whose sum is σ = 2904000. Its totient is φ = 2157120.

The previous prime is 2528809. The next prime is 2528819. The reversal of 2528813 is 3188252.

2528813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2528813 - 2² = 2528809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528819) 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 7 ways as a sum of consecutive naturals, for example, 938 + ... + 2436.

It is an arithmetic number, because the mean of its divisors is an integer number (363000).

2^2528813 is an apocalyptic number.

It is an amenable number.

2528813 is a deficient number, since it is larger than the sum of its proper divisors (375187).

2528813 is a wasteful number, since it uses less digits than its factorization.

2528813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747.

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

The square root of 2528813 is about 1590.2241980300. The cubic root of 2528813 is about 136.2402938966.

The spelling of 2528813 in words is "two million, five hundred twenty-eight thousand, eight hundred thirteen".