213438683 has 2 divisors, whose sum is σ = 213438684. Its totient is φ = 213438682.

The previous prime is 213438671. The next prime is 213438737. The reversal of 213438683 is 386834312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213438683 - 2⁶ = 213438619 is a prime.

It is not a weakly prime, because it can be changed into another prime (213438083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106719341 + 106719342.

It is an arithmetic number, because the mean of its divisors is an integer number (106719342).

Almost surely, 2^213438683 is an apocalyptic number.

213438683 is a deficient number, since it is larger than the sum of its proper divisors (1).

213438683 is an equidigital number, since it uses as much as digits as its factorization.

213438683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The square root of 213438683 is about 14609.5408209841. The cubic root of 213438683 is about 597.6189738750.

The spelling of 213438683 in words is "two hundred thirteen million, four hundred thirty-eight thousand, six hundred eighty-three".