328552403 has 2 divisors, whose sum is σ = 328552404. Its totient is φ = 328552402.

The previous prime is 328552373. The next prime is 328552409. The reversal of 328552403 is 304255823.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328552403 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328552403.

It is not a weakly prime, because it can be changed into another prime (328552409) 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, 164276201 + 164276202.

It is an arithmetic number, because the mean of its divisors is an integer number (164276202).

Almost surely, 2^328552403 is an apocalyptic number.

328552403 is a deficient number, since it is larger than the sum of its proper divisors (1).

328552403 is an equidigital number, since it uses as much as digits as its factorization.

328552403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 328552403 is about 18126.0145371232. The cubic root of 328552403 is about 690.0303865355.

The spelling of 328552403 in words is "three hundred twenty-eight million, five hundred fifty-two thousand, four hundred three".