352209161 has 4 divisors (see below), whose sum is σ = 354541824. Its totient is φ = 349876500.

The previous prime is 352209133. The next prime is 352209163. The reversal of 352209161 is 161902253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 352209161 - 2¹⁴ = 352192777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352209163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166105 + ... + 1166406.

It is an arithmetic number, because the mean of its divisors is an integer number (88635456).

Almost surely, 2^352209161 is an apocalyptic number.

It is an amenable number.

352209161 is a deficient number, since it is larger than the sum of its proper divisors (2332663).

352209161 is a wasteful number, since it uses less digits than its factorization.

352209161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332662.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 352209161 is about 18767.2363708672. The cubic root of 352209161 is about 706.2094899781.

The spelling of 352209161 in words is "three hundred fifty-two million, two hundred nine thousand, one hundred sixty-one".