214264321 has 2 divisors, whose sum is σ = 214264322. Its totient is φ = 214264320.

The previous prime is 214264307. The next prime is 214264327. The reversal of 214264321 is 123462412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211411600 + 2852721 = 14540^2 + 1689^2 .

It is a cyclic number.

It is not a de Polignac number, because 214264321 - 2⁵ = 214264289 is a prime.

It is not a weakly prime, because it can be changed into another prime (214264327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107132160 + 107132161.

It is an arithmetic number, because the mean of its divisors is an integer number (107132161).

Almost surely, 2^214264321 is an apocalyptic number.

It is an amenable number.

214264321 is a deficient number, since it is larger than the sum of its proper divisors (1).

214264321 is an equidigital number, since it uses as much as digits as its factorization.

214264321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 214264321 is about 14637.7703561711. The cubic root of 214264321 is about 598.3885658225.

The spelling of 214264321 in words is "two hundred fourteen million, two hundred sixty-four thousand, three hundred twenty-one".