106951813 has 2 divisors, whose sum is σ = 106951814. Its totient is φ = 106951812.

The previous prime is 106951807. The next prime is 106951841. The reversal of 106951813 is 318159601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67601284 + 39350529 = 8222^2 + 6273^2 .

It is an emirp because it is prime and its reverse (318159601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106951813 is a prime.

It is a super-2 number, since 2×106951813² = 22877380607973938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106951883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53475906 + 53475907.

It is an arithmetic number, because the mean of its divisors is an integer number (53475907).

Almost surely, 2^106951813 is an apocalyptic number.

It is an amenable number.

106951813 is a deficient number, since it is larger than the sum of its proper divisors (1).

106951813 is an equidigital number, since it uses as much as digits as its factorization.

106951813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 106951813 is about 10341.7509639326. The cubic root of 106951813 is about 474.6746625390.

The spelling of 106951813 in words is "one hundred six million, nine hundred fifty-one thousand, eight hundred thirteen".