352028161 has 4 divisors (see below), whose sum is σ = 357994800. Its totient is φ = 346061524.

The previous prime is 352028141. The next prime is 352028207. The reversal of 352028161 is 161820253.

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, and also an emirpimes, since its reverse is a distinct semiprime: 161820253 = 7 ⋅23117179.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352028161 is a prime.

It is a super-2 number, since 2×352028161² = 247847652274083842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352028111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2983231 + ... + 2983348.

It is an arithmetic number, because the mean of its divisors is an integer number (89498700).

Almost surely, 2^352028161 is an apocalyptic number.

It is an amenable number.

352028161 is a deficient number, since it is larger than the sum of its proper divisors (5966639).

352028161 is an equidigital number, since it uses as much as digits as its factorization.

352028161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5966638.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 352028161 is about 18762.4135174556. The cubic root of 352028161 is about 706.0884957562.

The spelling of 352028161 in words is "three hundred fifty-two million, twenty-eight thousand, one hundred sixty-one".