350161 has 4 divisors (see below), whose sum is σ = 400192. Its totient is φ = 300132.

The previous prime is 350159. The next prime is 350179. The reversal of 350161 is 161053.

350161 = 70² + 71² + ... + 111².

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 not a de Polignac number, because 350161 - 2¹ = 350159 is a prime.

It is a super-2 number, since 2×350161² = 245225451842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (350111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25005 + ... + 25018.

It is an arithmetic number, because the mean of its divisors is an integer number (100048).

2³⁵⁰¹⁶¹ is an apocalyptic number.

It is an amenable number.

350161 is a deficient number, since it is larger than the sum of its proper divisors (50031).

350161 is an equidigital number, since it uses as much as digits as its factorization.

350161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50030.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 350161 is about 591.7440325005. The cubic root of 350161 is about 70.4837915222.

The spelling of 350161 in words is "three hundred fifty thousand, one hundred sixty-one".