352209049 has 2 divisors, whose sum is σ = 352209050. Its totient is φ = 352209048.

The previous prime is 352209047. The next prime is 352209103. The reversal of 352209049 is 940902253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226051225 + 126157824 = 15035^2 + 11232^2 .

It is a cyclic number.

It is not a de Polignac number, because 352209049 - 2¹ = 352209047 is a prime.

Together with 352209047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (352209041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176104524 + 176104525.

It is an arithmetic number, because the mean of its divisors is an integer number (176104525).

Almost surely, 2^352209049 is an apocalyptic number.

It is an amenable number.

352209049 is a deficient number, since it is larger than the sum of its proper divisors (1).

352209049 is an equidigital number, since it uses as much as digits as its factorization.

352209049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 352209049 is about 18767.2333869433. The cubic root of 352209049 is about 706.2094151216.

The spelling of 352209049 in words is "three hundred fifty-two million, two hundred nine thousand, forty-nine".