56000213 has 2 divisors, whose sum is σ = 56000214. Its totient is φ = 56000212.

The previous prime is 56000179. The next prime is 56000221. The reversal of 56000213 is 31200065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38217124 + 17783089 = 6182^2 + 4217^2 .

It is a cyclic number.

It is not a de Polignac number, because 56000213 - 2⁶ = 56000149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56000191 and 56000200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56000293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28000106 + 28000107.

It is an arithmetic number, because the mean of its divisors is an integer number (28000107).

Almost surely, 2^56000213 is an apocalyptic number.

It is an amenable number.

56000213 is a deficient number, since it is larger than the sum of its proper divisors (1).

56000213 is an equidigital number, since it uses as much as digits as its factorization.

56000213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 56000213 is about 7483.3290051955. The cubic root of 56000213 is about 382.5867216186.

Adding to 56000213 its reverse (31200065), we get a palindrome (87200278).

The spelling of 56000213 in words is "fifty-six million, two hundred thirteen", and thus it is an aban number.