2548813 has 2 divisors, whose sum is σ = 2548814. Its totient is φ = 2548812.

The previous prime is 2548783. The next prime is 2548817. The reversal of 2548813 is 3188452.

2548813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1471369 + 1077444 = 1213^2 + 1038^2 .

It is a cyclic number.

It is not a de Polignac number, because 2548813 - 2¹⁷ = 2417741 is a prime.

It is an Ulam number.

It is the 1597-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2548817) by changing a digit.

It is a nontrivial repunit in base 1596.

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 as a sum of consecutive naturals, namely, 1274406 + 1274407.

It is an arithmetic number, because the mean of its divisors is an integer number (1274407).

2^2548813 is an apocalyptic number.

It is an amenable number.

2548813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2548813 is an equidigital number, since it uses as much as digits as its factorization.

2548813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 31.

The square root of 2548813 is about 1596.5002348888. The cubic root of 2548813 is about 136.5985191345.

The spelling of 2548813 in words is "two million, five hundred forty-eight thousand, eight hundred thirteen".