214431361 has 2 divisors, whose sum is σ = 214431362. Its totient is φ = 214431360.

The previous prime is 214431341. The next prime is 214431367. The reversal of 214431361 is 163134412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214329600 + 101761 = 14640^2 + 319^2 .

It is a cyclic number.

It is not a de Polignac number, because 214431361 - 2⁷ = 214431233 is a prime.

It is not a weakly prime, because it can be changed into another prime (214431367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107215680 + 107215681.

It is an arithmetic number, because the mean of its divisors is an integer number (107215681).

Almost surely, 2^214431361 is an apocalyptic number.

It is an amenable number.

214431361 is a deficient number, since it is larger than the sum of its proper divisors (1).

214431361 is an equidigital number, since it uses as much as digits as its factorization.

214431361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 214431361 is about 14643.4750315627. The cubic root of 214431361 is about 598.5440262400.

Adding to 214431361 its reverse (163134412), we get a palindrome (377565773).

The spelling of 214431361 in words is "two hundred fourteen million, four hundred thirty-one thousand, three hundred sixty-one".