328564471 has 2 divisors, whose sum is σ = 328564472. Its totient is φ = 328564470.

The previous prime is 328564463. The next prime is 328564487. The reversal of 328564471 is 174465823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328564471 - 2³ = 328564463 is a prime.

It is a super-3 number, since 3×328564471³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328562471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164282235 + 164282236.

It is an arithmetic number, because the mean of its divisors is an integer number (164282236).

Almost surely, 2^328564471 is an apocalyptic number.

328564471 is a deficient number, since it is larger than the sum of its proper divisors (1).

328564471 is an equidigital number, since it uses as much as digits as its factorization.

328564471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 40.

The square root of 328564471 is about 18126.3474257778. The cubic root of 328564471 is about 690.0388348933.

The spelling of 328564471 in words is "three hundred twenty-eight million, five hundred sixty-four thousand, four hundred seventy-one".