106171493 has 2 divisors, whose sum is σ = 106171494. Its totient is φ = 106171492.

The previous prime is 106171489. The next prime is 106171529. The reversal of 106171493 is 394171601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104489284 + 1682209 = 10222^2 + 1297^2 .

It is an emirp because it is prime and its reverse (394171601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106171493 - 2² = 106171489 is a prime.

It is a super-2 number, since 2×106171493² = 22544771851698098, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106174493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53085746 + 53085747.

It is an arithmetic number, because the mean of its divisors is an integer number (53085747).

Almost surely, 2^106171493 is an apocalyptic number.

It is an amenable number.

106171493 is a deficient number, since it is larger than the sum of its proper divisors (1).

106171493 is an equidigital number, since it uses as much as digits as its factorization.

106171493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 106171493 is about 10303.9552114710. The cubic root of 106171493 is about 473.5174354378.

The spelling of 106171493 in words is "one hundred six million, one hundred seventy-one thousand, four hundred ninety-three".