329604025 has 9 divisors (see below), whose sum is σ = 408821583. Its totient is φ = 263610600.

The previous prime is 329604013. The next prime is 329604047. The reversal of 329604025 is 520406923.

The square root of 329604025 is 18155.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 118657449 + 210946576 = 10893^2 + 14524^2 .

It is a de Polignac number, because none of the positive numbers 2^k-329604025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 8 ways as a sum of consecutive naturals, for example, 88960 + ... + 92590.

Almost surely, 2^329604025 is an apocalyptic number.

329604025 is the 18155-th square number.

329604025 is the 9078-th centered octagonal number.

It is an amenable number.

329604025 is a deficient number, since it is larger than the sum of its proper divisors (79217558).

329604025 is an frugal number, since it uses more digits than its factorization.

329604025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7272 (or 3636 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The cubic root of 329604025 is about 690.7658128959.

The spelling of 329604025 in words is "three hundred twenty-nine million, six hundred four thousand, twenty-five".