106544213 has 2 divisors, whose sum is σ = 106544214. Its totient is φ = 106544212.

The previous prime is 106544209. The next prime is 106544293. The reversal of 106544213 is 312445601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106543684 + 529 = 10322^2 + 23^2 .

It is a cyclic number.

It is not a de Polignac number, because 106544213 - 2² = 106544209 is a prime.

It is a super-2 number, since 2×106544213² = 22703338647578738, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106544203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53272106 + 53272107.

It is an arithmetic number, because the mean of its divisors is an integer number (53272107).

Almost surely, 2^106544213 is an apocalyptic number.

It is an amenable number.

106544213 is a deficient number, since it is larger than the sum of its proper divisors (1).

106544213 is an equidigital number, since it uses as much as digits as its factorization.

106544213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 106544213 is about 10322.0256248471. The cubic root of 106544213 is about 474.0708900128.

Adding to 106544213 its reverse (312445601), we get a palindrome (418989814).

The spelling of 106544213 in words is "one hundred six million, five hundred forty-four thousand, two hundred thirteen".