214321087 has 2 divisors, whose sum is σ = 214321088. Its totient is φ = 214321086.

The previous prime is 214321031. The next prime is 214321127. The reversal of 214321087 is 780123412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214321087 - 2⁷ = 214320959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214325087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107160543 + 107160544.

It is an arithmetic number, because the mean of its divisors is an integer number (107160544).

Almost surely, 2^214321087 is an apocalyptic number.

214321087 is a deficient number, since it is larger than the sum of its proper divisors (1).

214321087 is an equidigital number, since it uses as much as digits as its factorization.

214321087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 214321087 is about 14639.7092525774. The cubic root of 214321087 is about 598.4414057382.

Adding to 214321087 its reverse (780123412), we get a palindrome (994444499).

The spelling of 214321087 in words is "two hundred fourteen million, three hundred twenty-one thousand, eighty-seven".