206732147 has 2 divisors, whose sum is σ = 206732148. Its totient is φ = 206732146.

The previous prime is 206732129. The next prime is 206732219. The reversal of 206732147 is 741237602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206732147 - 2⁶ = 206732083 is a prime.

It is not a weakly prime, because it can be changed into another prime (206732107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103366073 + 103366074.

It is an arithmetic number, because the mean of its divisors is an integer number (103366074).

Almost surely, 2^206732147 is an apocalyptic number.

206732147 is a deficient number, since it is larger than the sum of its proper divisors (1).

206732147 is an equidigital number, since it uses as much as digits as its factorization.

206732147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 206732147 is about 14378.1830215087. The cubic root of 206732147 is about 591.2929101573.

Adding to 206732147 its reverse (741237602), we get a palindrome (947969749).

The spelling of 206732147 in words is "two hundred six million, seven hundred thirty-two thousand, one hundred forty-seven".