324975649 has 2 divisors, whose sum is σ = 324975650. Its totient is φ = 324975648.

The previous prime is 324975647. The next prime is 324975767. The reversal of 324975649 is 946579423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295599249 + 29376400 = 17193^2 + 5420^2 .

It is a cyclic number.

It is not a de Polignac number, because 324975649 - 2¹ = 324975647 is a prime.

Together with 324975647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (324975641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162487824 + 162487825.

It is an arithmetic number, because the mean of its divisors is an integer number (162487825).

Almost surely, 2^324975649 is an apocalyptic number.

It is an amenable number.

324975649 is a deficient number, since it is larger than the sum of its proper divisors (1).

324975649 is an equidigital number, since it uses as much as digits as its factorization.

324975649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 49.

The square root of 324975649 is about 18027.0809894447. The cubic root of 324975649 is about 687.5172616713.

The spelling of 324975649 in words is "three hundred twenty-four million, nine hundred seventy-five thousand, six hundred forty-nine".