578213 has 2 divisors, whose sum is σ = 578214. Its totient is φ = 578212.

The previous prime is 578209. The next prime is 578251. The reversal of 578213 is 312875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 368449 + 209764 = 607^2 + 458^2 .

It is a cyclic number.

It is not a de Polignac number, because 578213 - 2² = 578209 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (578203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289106 + 289107.

It is an arithmetic number, because the mean of its divisors is an integer number (289107).

2⁵⁷⁸²¹³ is an apocalyptic number.

It is an amenable number.

578213 is a deficient number, since it is larger than the sum of its proper divisors (1).

578213 is an equidigital number, since it uses as much as digits as its factorization.

578213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 26.

The square root of 578213 is about 760.4031825288. The cubic root of 578213 is about 83.3097728951.

The spelling of 578213 in words is "five hundred seventy-eight thousand, two hundred thirteen".