106543813 has 2 divisors, whose sum is σ = 106543814. Its totient is φ = 106543812.

The previous prime is 106543781. The next prime is 106543819. The reversal of 106543813 is 318345601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96000804 + 10543009 = 9798^2 + 3247^2 .

It is a cyclic number.

It is not a de Polignac number, because 106543813 - 2⁵ = 106543781 is a prime.

It is a super-2 number, since 2×106543813² = 22703168177157938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106543819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53271906 + 53271907.

It is an arithmetic number, because the mean of its divisors is an integer number (53271907).

Almost surely, 2^106543813 is an apocalyptic number.

It is an amenable number.

106543813 is a deficient number, since it is larger than the sum of its proper divisors (1).

106543813 is an equidigital number, since it uses as much as digits as its factorization.

106543813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 106543813 is about 10322.0062487871. The cubic root of 106543813 is about 474.0702967423.

The spelling of 106543813 in words is "one hundred six million, five hundred forty-three thousand, eight hundred thirteen".