214866361 has 2 divisors, whose sum is σ = 214866362. Its totient is φ = 214866360.

The previous prime is 214866341. The next prime is 214866397. The reversal of 214866361 is 163668412.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194072761 + 20793600 = 13931^2 + 4560^2 .

It is a cyclic number.

It is not a de Polignac number, because 214866361 - 2⁵ = 214866329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214866361.

It is not a weakly prime, because it can be changed into another prime (214866341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107433180 + 107433181.

It is an arithmetic number, because the mean of its divisors is an integer number (107433181).

Almost surely, 2^214866361 is an apocalyptic number.

It is an amenable number.

214866361 is a deficient number, since it is larger than the sum of its proper divisors (1).

214866361 is an equidigital number, since it uses as much as digits as its factorization.

214866361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 214866361 is about 14658.3205381790. The cubic root of 214866361 is about 598.9484925559.

The spelling of 214866361 in words is "two hundred fourteen million, eight hundred sixty-six thousand, three hundred sixty-one".