213244363 has 2 divisors, whose sum is σ = 213244364. Its totient is φ = 213244362.

The previous prime is 213244351. The next prime is 213244393. The reversal of 213244363 is 363442312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213244363 - 2⁵ = 213244331 is a prime.

It is equal to p_11770750 and since 213244363 and 11770750 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (213244313) 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, 106622181 + 106622182.

It is an arithmetic number, because the mean of its divisors is an integer number (106622182).

Almost surely, 2^213244363 is an apocalyptic number.

213244363 is a deficient number, since it is larger than the sum of its proper divisors (1).

213244363 is an equidigital number, since it uses as much as digits as its factorization.

213244363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 28.

The square root of 213244363 is about 14602.8888580308. Note that the first 4 decimals coincide. The cubic root of 213244363 is about 597.4375563088.

Adding to 213244363 its reverse (363442312), we get a palindrome (576686675).

The spelling of 213244363 in words is "two hundred thirteen million, two hundred forty-four thousand, three hundred sixty-three".