214236161 has 2 divisors, whose sum is σ = 214236162. Its totient is φ = 214236160.

The previous prime is 214236157. The next prime is 214236167. The reversal of 214236161 is 161632412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206640625 + 7595536 = 14375^2 + 2756^2 .

It is a cyclic number.

It is not a de Polignac number, because 214236161 - 2² = 214236157 is a prime.

It is a Chen prime.

It is equal to p_11822336 and since 214236161 and 11822336 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214236161.

It is not a weakly prime, because it can be changed into another prime (214236167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107118080 + 107118081.

It is an arithmetic number, because the mean of its divisors is an integer number (107118081).

Almost surely, 2^214236161 is an apocalyptic number.

It is an amenable number.

214236161 is a deficient number, since it is larger than the sum of its proper divisors (1).

214236161 is an equidigital number, since it uses as much as digits as its factorization.

214236161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 214236161 is about 14636.8084294357. The cubic root of 214236161 is about 598.3623499781.

Adding to 214236161 its reverse (161632412), we get a palindrome (375868573).

The spelling of 214236161 in words is "two hundred fourteen million, two hundred thirty-six thousand, one hundred sixty-one".