214865801 has 2 divisors, whose sum is σ = 214865802. Its totient is φ = 214865800.

The previous prime is 214865779. The next prime is 214865803. The reversal of 214865801 is 108568412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161925625 + 52940176 = 12725^2 + 7276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214865801 is a prime.

Together with 214865803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (214865803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107432900 + 107432901.

It is an arithmetic number, because the mean of its divisors is an integer number (107432901).

Almost surely, 2^214865801 is an apocalyptic number.

It is an amenable number.

214865801 is a deficient number, since it is larger than the sum of its proper divisors (1).

214865801 is an equidigital number, since it uses as much as digits as its factorization.

214865801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 214865801 is about 14658.3014363875. The cubic root of 214865801 is about 598.9479722147.

The spelling of 214865801 in words is "two hundred fourteen million, eight hundred sixty-five thousand, eight hundred one".