325043309 has 2 divisors, whose sum is σ = 325043310. Its totient is φ = 325043308.

The previous prime is 325043297. The next prime is 325043333. The reversal of 325043309 is 903340523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257442025 + 67601284 = 16045^2 + 8222^2 .

It is a cyclic number.

It is not a de Polignac number, because 325043309 - 2⁴ = 325043293 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 (325043809) 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, 162521654 + 162521655.

It is an arithmetic number, because the mean of its divisors is an integer number (162521655).

Almost surely, 2^325043309 is an apocalyptic number.

It is an amenable number.

325043309 is a deficient number, since it is larger than the sum of its proper divisors (1).

325043309 is an equidigital number, since it uses as much as digits as its factorization.

325043309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 325043309 is about 18028.9575128458. The cubic root of 325043309 is about 687.5649721076.

The spelling of 325043309 in words is "three hundred twenty-five million, forty-three thousand, three hundred nine".