214345429 has 2 divisors, whose sum is σ = 214345430. Its totient is φ = 214345428.

The previous prime is 214345381. The next prime is 214345433. The reversal of 214345429 is 924543412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203632900 + 10712529 = 14270^2 + 3273^2 .

It is a cyclic number.

It is not a de Polignac number, because 214345429 - 2⁹ = 214344917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214345394 and 214345403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214345829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107172714 + 107172715.

It is an arithmetic number, because the mean of its divisors is an integer number (107172715).

Almost surely, 2^214345429 is an apocalyptic number.

It is an amenable number.

214345429 is a deficient number, since it is larger than the sum of its proper divisors (1).

214345429 is an equidigital number, since it uses as much as digits as its factorization.

214345429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 214345429 is about 14640.5405979424. The cubic root of 214345429 is about 598.4640613238.

The spelling of 214345429 in words is "two hundred fourteen million, three hundred forty-five thousand, four hundred twenty-nine".