212441393 has 2 divisors, whose sum is σ = 212441394. Its totient is φ = 212441392.

The previous prime is 212441387. The next prime is 212441423. The reversal of 212441393 is 393144212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194658304 + 17783089 = 13952^2 + 4217^2 .

It is a cyclic number.

It is not a de Polignac number, because 212441393 - 2⁸ = 212441137 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (212441303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106220696 + 106220697.

It is an arithmetic number, because the mean of its divisors is an integer number (106220697).

Almost surely, 2^212441393 is an apocalyptic number.

It is an amenable number.

212441393 is a deficient number, since it is larger than the sum of its proper divisors (1).

212441393 is an equidigital number, since it uses as much as digits as its factorization.

212441393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 212441393 is about 14575.3693949759. The cubic root of 212441393 is about 596.6867309435.

The spelling of 212441393 in words is "two hundred twelve million, four hundred forty-one thousand, three hundred ninety-three".