352109 has 2 divisors, whose sum is σ = 352110. Its totient is φ = 352108.

The previous prime is 352097. The next prime is 352111. The reversal of 352109 is 901253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299209 + 52900 = 547^2 + 230^2 .

It is an emirp because it is prime and its reverse (901253) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352109 is a prime.

It is a Sophie Germain prime.

Together with 352111, it forms a pair of twin primes.

It is a Chen 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 (352309) 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, 176054 + 176055.

It is an arithmetic number, because the mean of its divisors is an integer number (176055).

2³⁵²¹⁰⁹ is an apocalyptic number.

It is an amenable number.

352109 is a deficient number, since it is larger than the sum of its proper divisors (1).

352109 is an equidigital number, since it uses as much as digits as its factorization.

352109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 352109 is about 593.3877315887. The cubic root of 352109 is about 70.6142539841.

The spelling of 352109 in words is "three hundred fifty-two thousand, one hundred nine".