326106149 has 2 divisors, whose sum is σ = 326106150. Its totient is φ = 326106148.

The previous prime is 326106107. The next prime is 326106173. The reversal of 326106149 is 941601623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290941249 + 35164900 = 17057^2 + 5930^2 .

It is a cyclic number.

It is not a de Polignac number, because 326106149 - 2⁸ = 326105893 is a prime.

It is a super-2 number, since 2×326106149² = 212690440831220402, 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 (326106199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163053074 + 163053075.

It is an arithmetic number, because the mean of its divisors is an integer number (163053075).

Almost surely, 2^326106149 is an apocalyptic number.

It is an amenable number.

326106149 is a deficient number, since it is larger than the sum of its proper divisors (1).

326106149 is an equidigital number, since it uses as much as digits as its factorization.

326106149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 326106149 is about 18058.4093707059. The cubic root of 326106149 is about 688.3135661935.

The spelling of 326106149 in words is "three hundred twenty-six million, one hundred six thousand, one hundred forty-nine".