5578813 has 2 divisors, whose sum is σ = 5578814. Its totient is φ = 5578812.

The previous prime is 5578763. The next prime is 5578831. The reversal of 5578813 is 3188755.

Together with next prime (5578831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5098564 + 480249 = 2258^2 + 693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5578813 is a prime.

It is a super-2 number, since 2×5578813² = 62246308977938, which contains 22 as substring.

5578813 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5578613) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2789406 + 2789407.

It is an arithmetic number, because the mean of its divisors is an integer number (2789407).

Almost surely, 2^5578813 is an apocalyptic number.

It is an amenable number.

5578813 is a deficient number, since it is larger than the sum of its proper divisors (1).

5578813 is an equidigital number, since it uses as much as digits as its factorization.

5578813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 37.

The square root of 5578813 is about 2361.9511002559. The cubic root of 5578813 is about 177.3565646759.

The spelling of 5578813 in words is "five million, five hundred seventy-eight thousand, eight hundred thirteen".