328224553 has 2 divisors, whose sum is σ = 328224554. Its totient is φ = 328224552.

The previous prime is 328224527. The next prime is 328224599. The reversal of 328224553 is 355422823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241864704 + 86359849 = 15552^2 + 9293^2 .

It is a cyclic number.

It is not a de Polignac number, because 328224553 - 2²¹ = 326127401 is a prime.

It is not a weakly prime, because it can be changed into another prime (328224503) 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, 164112276 + 164112277.

It is an arithmetic number, because the mean of its divisors is an integer number (164112277).

Almost surely, 2^328224553 is an apocalyptic number.

It is an amenable number.

328224553 is a deficient number, since it is larger than the sum of its proper divisors (1).

328224553 is an equidigital number, since it uses as much as digits as its factorization.

328224553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 34.

The square root of 328224553 is about 18116.9686482038. The cubic root of 328224553 is about 689.8007917540.

The spelling of 328224553 in words is "three hundred twenty-eight million, two hundred twenty-four thousand, five hundred fifty-three".