106448813 has 2 divisors, whose sum is σ = 106448814. Its totient is φ = 106448812.

The previous prime is 106448791. The next prime is 106448851. The reversal of 106448813 is 318844601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89908324 + 16540489 = 9482^2 + 4067^2 .

It is an emirp because it is prime and its reverse (318844601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106448813 - 2⁸ = 106448557 is a prime.

It is a super-2 number, since 2×106448813² = 22662699578217938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106448113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53224406 + 53224407.

It is an arithmetic number, because the mean of its divisors is an integer number (53224407).

Almost surely, 2^106448813 is an apocalyptic number.

It is an amenable number.

106448813 is a deficient number, since it is larger than the sum of its proper divisors (1).

106448813 is an equidigital number, since it uses as much as digits as its factorization.

106448813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 106448813 is about 10317.4034039578. The cubic root of 106448813 is about 473.9293529396.

The spelling of 106448813 in words is "one hundred six million, four hundred forty-eight thousand, eight hundred thirteen".