325609447 has 2 divisors, whose sum is σ = 325609448. Its totient is φ = 325609446.

The previous prime is 325609439. The next prime is 325609463. The reversal of 325609447 is 744906523.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325609447 - 2³ = 325609439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325609247) 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, 162804723 + 162804724.

It is an arithmetic number, because the mean of its divisors is an integer number (162804724).

Almost surely, 2^325609447 is an apocalyptic number.

325609447 is a deficient number, since it is larger than the sum of its proper divisors (1).

325609447 is an equidigital number, since it uses as much as digits as its factorization.

325609447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 325609447 is about 18044.6514790394. The cubic root of 325609447 is about 687.9639249777.

The spelling of 325609447 in words is "three hundred twenty-five million, six hundred nine thousand, four hundred forty-seven".