19828325 has 12 divisors (see below), whose sum is σ = 26822688. Its totient is φ = 14420400.

The previous prime is 19828271. The next prime is 19828327. The reversal of 19828325 is 52382891.

It is not a de Polignac number, because 19828325 - 2⁶ = 19828261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19828327) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 35777 + ... + 36326.

It is an arithmetic number, because the mean of its divisors is an integer number (2235224).

Almost surely, 2^19828325 is an apocalyptic number.

It is an amenable number.

19828325 is a deficient number, since it is larger than the sum of its proper divisors (6994363).

19828325 is a wasteful number, since it uses less digits than its factorization.

19828325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72124 (or 72119 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 19828325 is about 4452.9007399672. The cubic root of 19828325 is about 270.6628660344.

The spelling of 19828325 in words is "nineteen million, eight hundred twenty-eight thousand, three hundred twenty-five".