355161 has 4 divisors (see below), whose sum is σ = 473552. Its totient is φ = 236772.

The previous prime is 355139. The next prime is 355171. The reversal of 355161 is 161553.

It is a happy number.

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 355161 - 2¹⁴ = 338777 is a prime.

It is a super-2 number, since 2×355161² = 252278671842, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 355161.

It is not an unprimeable number, because it can be changed into a prime (355111) 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, 59191 + ... + 59196.

It is an arithmetic number, because the mean of its divisors is an integer number (118388).

2³⁵⁵¹⁶¹ is an apocalyptic number.

It is an amenable number.

355161 is a deficient number, since it is larger than the sum of its proper divisors (118391).

355161 is a wasteful number, since it uses less digits than its factorization.

355161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118390.

The product of its digits is 450, while the sum is 21.

The square root of 355161 is about 595.9538572742. The cubic root of 355161 is about 70.8176900480.

The spelling of 355161 in words is "three hundred fifty-five thousand, one hundred sixty-one".