214161 has 4 divisors (see below), whose sum is σ = 285552. Its totient is φ = 142772.

The previous prime is 214147. The next prime is 214163. The reversal of 214161 is 161412.

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 214161 - 2⁵ = 214129 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 214161.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 214161.

It is not an unprimeable number, because it can be changed into a prime (214163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35691 + ... + 35696.

It is an arithmetic number, because the mean of its divisors is an integer number (71388).

2²¹⁴¹⁶¹ is an apocalyptic number.

It is an amenable number.

214161 is a deficient number, since it is larger than the sum of its proper divisors (71391).

214161 is an equidigital number, since it uses as much as digits as its factorization.

214161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71390.

The product of its digits is 48, while the sum is 15.

The square root of 214161 is about 462.7753234562. The cubic root of 214161 is about 59.8292366814.

Adding to 214161 its reverse (161412), we get a palindrome (375573).

The spelling of 214161 in words is "two hundred fourteen thousand, one hundred sixty-one".