4352009 has 2 divisors, whose sum is σ = 4352010. Its totient is φ = 4352008.

The previous prime is 4352003. The next prime is 4352039. The reversal of 4352009 is 9002534.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3822025 + 529984 = 1955^2 + 728^2 .

It is a cyclic number.

It is not a de Polignac number, because 4352009 - 2¹⁶ = 4286473 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 3¹¹ + 5⁹ + 2²¹ + 0 + 0 + 9⁵ .

It is not a weakly prime, because it can be changed into another prime (4352003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2176004 + 2176005.

It is an arithmetic number, because the mean of its divisors is an integer number (2176005).

Almost surely, 2^4352009 is an apocalyptic number.

It is an amenable number.

4352009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4352009 is an equidigital number, since it uses as much as digits as its factorization.

4352009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 4352009 is about 2086.1469267528. The cubic root of 4352009 is about 163.2663166223.

The spelling of 4352009 in words is "four million, three hundred fifty-two thousand, nine".