214643047 has 2 divisors, whose sum is σ = 214643048. Its totient is φ = 214643046.

The previous prime is 214643029. The next prime is 214643053. The reversal of 214643047 is 740346412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214643047 - 2¹⁹ = 214118759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214643087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107321523 + 107321524.

It is an arithmetic number, because the mean of its divisors is an integer number (107321524).

Almost surely, 2^214643047 is an apocalyptic number.

214643047 is a deficient number, since it is larger than the sum of its proper divisors (1).

214643047 is an equidigital number, since it uses as much as digits as its factorization.

214643047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 214643047 is about 14650.7012460155. The cubic root of 214643047 is about 598.7409217551.

Adding to 214643047 its reverse (740346412), we get a palindrome (954989459).

The spelling of 214643047 in words is "two hundred fourteen million, six hundred forty-three thousand, forty-seven".