106206491 has 2 divisors, whose sum is σ = 106206492. Its totient is φ = 106206490.

The previous prime is 106206487. The next prime is 106206601. The reversal of 106206491 is 194602601.

It is a weak prime.

It is an emirp because it is prime and its reverse (194602601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106206491 - 2² = 106206487 is a prime.

It is a super-2 number, since 2×106206491² = 22559637461066162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106206481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53103245 + 53103246.

It is an arithmetic number, because the mean of its divisors is an integer number (53103246).

Almost surely, 2^106206491 is an apocalyptic number.

106206491 is a deficient number, since it is larger than the sum of its proper divisors (1).

106206491 is an equidigital number, since it uses as much as digits as its factorization.

106206491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 106206491 is about 10305.6533514377. The cubic root of 106206491 is about 473.5694592663.

The spelling of 106206491 in words is "one hundred six million, two hundred six thousand, four hundred ninety-one".