32206649 has 2 divisors, whose sum is σ = 32206650. Its totient is φ = 32206648.

The previous prime is 32206637. The next prime is 32206667. The reversal of 32206649 is 94660223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32205625 + 1024 = 5675^2 + 32^2 .

It is a cyclic number.

It is not a de Polignac number, because 32206649 - 2⁴ = 32206633 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (32206549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16103324 + 16103325.

It is an arithmetic number, because the mean of its divisors is an integer number (16103325).

Almost surely, 2^32206649 is an apocalyptic number.

It is an amenable number.

32206649 is a deficient number, since it is larger than the sum of its proper divisors (1).

32206649 is an equidigital number, since it uses as much as digits as its factorization.

32206649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 32206649 is about 5675.0902195472. The cubic root of 32206649 is about 318.1621504701.

The spelling of 32206649 in words is "thirty-two million, two hundred six thousand, six hundred forty-nine".