352909 has 2 divisors, whose sum is σ = 352910. Its totient is φ = 352908.

The previous prime is 352907. The next prime is 352931. The reversal of 352909 is 909253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275625 + 77284 = 525^2 + 278^2 .

It is an emirp because it is prime and its reverse (909253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 352909 - 2¹ = 352907 is a prime.

Together with 352907, it forms a pair of twin primes.

352909 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (352907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176454 + 176455.

It is an arithmetic number, because the mean of its divisors is an integer number (176455).

2³⁵²⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

352909 is a deficient number, since it is larger than the sum of its proper divisors (1).

352909 is an equidigital number, since it uses as much as digits as its factorization.

352909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 352909 is about 594.0614446335. The cubic root of 352909 is about 70.6676926199.

The spelling of 352909 in words is "three hundred fifty-two thousand, nine hundred nine".