329974061 has 2 divisors, whose sum is σ = 329974062. Its totient is φ = 329974060.

The previous prime is 329974049. The next prime is 329974153. The reversal of 329974061 is 160479923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215355625 + 114618436 = 14675^2 + 10706^2 .

It is an emirp because it is prime and its reverse (160479923) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 329974061 - 2¹⁰ = 329973037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (329974861) 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, 164987030 + 164987031.

It is an arithmetic number, because the mean of its divisors is an integer number (164987031).

Almost surely, 2^329974061 is an apocalyptic number.

It is an amenable number.

329974061 is a deficient number, since it is larger than the sum of its proper divisors (1).

329974061 is an equidigital number, since it uses as much as digits as its factorization.

329974061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 329974061 is about 18165.1881630772. The cubic root of 329974061 is about 691.0242165198.

The spelling of 329974061 in words is "three hundred twenty-nine million, nine hundred seventy-four thousand, sixty-one".