352201609 has 2 divisors, whose sum is σ = 352201610. Its totient is φ = 352201608.

The previous prime is 352201601. The next prime is 352201637. The reversal of 352201609 is 906102253.

It is an a-pointer prime, because the next prime (352201637) can be obtained adding 352201609 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351750025 + 451584 = 18755^2 + 672^2 .

It is a cyclic number.

It is not a de Polignac number, because 352201609 - 2³ = 352201601 is a prime.

It is not a weakly prime, because it can be changed into another prime (352201601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176100804 + 176100805.

It is an arithmetic number, because the mean of its divisors is an integer number (176100805).

Almost surely, 2^352201609 is an apocalyptic number.

It is an amenable number.

352201609 is a deficient number, since it is larger than the sum of its proper divisors (1).

352201609 is an equidigital number, since it uses as much as digits as its factorization.

352201609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 352201609 is about 18767.0351680813. The cubic root of 352201609 is about 706.2044424734.

The spelling of 352201609 in words is "three hundred fifty-two million, two hundred one thousand, six hundred nine".