328261725 has 36 divisors (see below), whose sum is σ = 641408352. Its totient is φ = 159156000.

The previous prime is 328261711. The next prime is 328261733. The reversal of 328261725 is 527162823.

328261725 is a `hidden beast` number, since 32 + 8 + 2 + 617 + 2 + 5 = 666.

It is not a de Polignac number, because 328261725 - 2⁴ = 328261709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328261725.

It is a congruent number.

It is an unprimeable number.

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 in 35 ways as a sum of consecutive naturals, for example, 63841 + ... + 68790.

Almost surely, 2^328261725 is an apocalyptic number.

It is an amenable number.

328261725 is a deficient number, since it is larger than the sum of its proper divisors (313146627).

328261725 is a wasteful number, since it uses less digits than its factorization.

328261725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132658 (or 132650 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 328261725 is about 18117.9945082230. The cubic root of 328261725 is about 689.8268311497.

The spelling of 328261725 in words is "three hundred twenty-eight million, two hundred sixty-one thousand, seven hundred twenty-five".