328553573 has 2 divisors, whose sum is σ = 328553574. Its totient is φ = 328553572.

The previous prime is 328553513. The next prime is 328553651. The reversal of 328553573 is 375355823.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328406884 + 146689 = 18122^2 + 383^2 .

It is an emirp because it is prime and its reverse (375355823) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328553573 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 328553573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328553513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164276786 + 164276787.

It is an arithmetic number, because the mean of its divisors is an integer number (164276787).

Almost surely, 2^328553573 is an apocalyptic number.

It is an amenable number.

328553573 is a deficient number, since it is larger than the sum of its proper divisors (1).

328553573 is an equidigital number, since it uses as much as digits as its factorization.

328553573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378000, while the sum is 41.

The square root of 328553573 is about 18126.0468111500. The cubic root of 328553573 is about 690.0312056180.

The spelling of 328553573 in words is "three hundred twenty-eight million, five hundred fifty-three thousand, five hundred seventy-three".