214727321 has 2 divisors, whose sum is σ = 214727322. Its totient is φ = 214727320.

The previous prime is 214727309. The next prime is 214727329. The reversal of 214727321 is 123727412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205606921 + 9120400 = 14339^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 214727321 - 2¹⁰ = 214726297 is a prime.

It is a super-2 number, since 2×214727321² = 92215644767674082, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (214727329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107363660 + 107363661.

It is an arithmetic number, because the mean of its divisors is an integer number (107363661).

Almost surely, 2^214727321 is an apocalyptic number.

It is an amenable number.

214727321 is a deficient number, since it is larger than the sum of its proper divisors (1).

214727321 is an equidigital number, since it uses as much as digits as its factorization.

214727321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 29.

The square root of 214727321 is about 14653.5770718279. The cubic root of 214727321 is about 598.8192715097.

Subtracting from 214727321 its reverse (123727412), we obtain a palindrome (90999909).

The spelling of 214727321 in words is "two hundred fourteen million, seven hundred twenty-seven thousand, three hundred twenty-one".