352645109 has 2 divisors, whose sum is σ = 352645110. Its totient is φ = 352645108.

The previous prime is 352645081. The next prime is 352645123. The reversal of 352645109 is 901546253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343360900 + 9284209 = 18530^2 + 3047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352645109 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 (352641109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176322554 + 176322555.

It is an arithmetic number, because the mean of its divisors is an integer number (176322555).

Almost surely, 2^352645109 is an apocalyptic number.

It is an amenable number.

352645109 is a deficient number, since it is larger than the sum of its proper divisors (1).

352645109 is an equidigital number, since it uses as much as digits as its factorization.

352645109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 352645109 is about 18778.8473820946. The cubic root of 352645109 is about 706.5007408535.

The spelling of 352645109 in words is "three hundred fifty-two million, six hundred forty-five thousand, one hundred nine".