3299928025 has 9 divisors (see below), whose sum is σ = 4092266941. Its totient is φ = 2639712640.

The previous prime is 3299928007. The next prime is 3299928031. The reversal of 3299928025 is 5208299923.

The square root of 3299928025 is 57445.

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

It can be written as a sum of positive squares in 4 ways, for example, as 583850569 + 2716077456 = 24163^2 + 52116^2 .

It is not a de Polignac number, because 3299928025 - 2⁹ = 3299927513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3299928025.

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, 281481 + ... + 292969.

Almost surely, 2^3299928025 is an apocalyptic number.

3299928025 is the 57445-th square number.

3299928025 is the 28723-rd centered octagonal number.

It is an amenable number.

3299928025 is a deficient number, since it is larger than the sum of its proper divisors (792338916).

3299928025 is an frugal number, since it uses more digits than its factorization.

3299928025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22988 (or 11494 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The cubic root of 3299928025 is about 1488.7947289580.

Multiplying 3299928025 by its sum of digits (49), we get a square (161696473225 = 402115²).

The spelling of 3299928025 in words is "three billion, two hundred ninety-nine million, nine hundred twenty-eight thousand, twenty-five".