214432247 has 2 divisors, whose sum is σ = 214432248. Its totient is φ = 214432246.

The previous prime is 214432217. The next prime is 214432291. The reversal of 214432247 is 742234412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214432247 - 2²² = 210237943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214432217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107216123 + 107216124.

It is an arithmetic number, because the mean of its divisors is an integer number (107216124).

Almost surely, 2^214432247 is an apocalyptic number.

214432247 is a deficient number, since it is larger than the sum of its proper divisors (1).

214432247 is an equidigital number, since it uses as much as digits as its factorization.

214432247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 29.

The square root of 214432247 is about 14643.5052839134. The cubic root of 214432247 is about 598.5448506052.

Adding to 214432247 its reverse (742234412), we get a palindrome (956666659).

The spelling of 214432247 in words is "two hundred fourteen million, four hundred thirty-two thousand, two hundred forty-seven".