106256219 has 2 divisors, whose sum is σ = 106256220. Its totient is φ = 106256218.

The previous prime is 106256207. The next prime is 106256263. The reversal of 106256219 is 912652601.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106256219 is a prime.

It is a super-2 number, since 2×106256219² = 22580768152351922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106256279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53128109 + 53128110.

It is an arithmetic number, because the mean of its divisors is an integer number (53128110).

Almost surely, 2^106256219 is an apocalyptic number.

106256219 is a deficient number, since it is larger than the sum of its proper divisors (1).

106256219 is an equidigital number, since it uses as much as digits as its factorization.

106256219 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 32.

The square root of 106256219 is about 10308.0657254404. The cubic root of 106256219 is about 473.6433592929.

The spelling of 106256219 in words is "one hundred six million, two hundred fifty-six thousand, two hundred nineteen".