32750009 has 2 divisors, whose sum is σ = 32750010. Its totient is φ = 32750008.

The previous prime is 32749993. The next prime is 32750033. The reversal of 32750009 is 90005723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30415225 + 2334784 = 5515^2 + 1528^2 .

It is a cyclic number.

It is not a de Polignac number, because 32750009 - 2⁴ = 32749993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32750009.

It is not a weakly prime, because it can be changed into another prime (32750059) 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, 16375004 + 16375005.

It is an arithmetic number, because the mean of its divisors is an integer number (16375005).

Almost surely, 2^32750009 is an apocalyptic number.

It is an amenable number.

32750009 is a deficient number, since it is larger than the sum of its proper divisors (1).

32750009 is an equidigital number, since it uses as much as digits as its factorization.

32750009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 32750009 is about 5722.7623574634. The cubic root of 32750009 is about 319.9414248255.

The spelling of 32750009 in words is "thirty-two million, seven hundred fifty thousand, nine".