324478997 has 2 divisors, whose sum is σ = 324478998. Its totient is φ = 324478996.

The previous prime is 324478993. The next prime is 324479003. The reversal of 324478997 is 799874423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254689681 + 69789316 = 15959^2 + 8354^2 .

It is a cyclic number.

It is not a de Polignac number, because 324478997 - 2² = 324478993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324478993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162239498 + 162239499.

It is an arithmetic number, because the mean of its divisors is an integer number (162239499).

Almost surely, 2^324478997 is an apocalyptic number.

It is an amenable number.

324478997 is a deficient number, since it is larger than the sum of its proper divisors (1).

324478997 is an equidigital number, since it uses as much as digits as its factorization.

324478997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 53.

The square root of 324478997 is about 18013.3005581987. The cubic root of 324478997 is about 687.1668447313.

The spelling of 324478997 in words is "three hundred twenty-four million, four hundred seventy-eight thousand, nine hundred ninety-seven".