16489325 has 12 divisors (see below), whose sum is σ = 20499060. Its totient is φ = 13157760.

The previous prime is 16489273. The next prime is 16489357. The reversal of 16489325 is 52398461.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3319684 + 13169641 = 1822^2 + 3629^2 .

It is not a de Polignac number, because 16489325 - 2⁸ = 16489069 is a prime.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 14891 + ... + 15959.

It is an arithmetic number, because the mean of its divisors is an integer number (1708255).

Almost surely, 2^16489325 is an apocalyptic number.

It is an amenable number.

16489325 is a deficient number, since it is larger than the sum of its proper divisors (4009735).

16489325 is a wasteful number, since it uses less digits than its factorization.

16489325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696 (or 1691 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 16489325 is about 4060.7049880532. The cubic root of 16489325 is about 254.5272543225.

The spelling of 16489325 in words is "sixteen million, four hundred eighty-nine thousand, three hundred twenty-five".