16290325 has 24 divisors (see below), whose sum is σ = 21623616. Its totient is φ = 12144000.

The previous prime is 16290317. The next prime is 16290331. The reversal of 16290325 is 52309261.

It is not a de Polignac number, because 16290325 - 2³ = 16290317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16290293 and 16290302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23230 + ... + 23920.

It is an arithmetic number, because the mean of its divisors is an integer number (900984).

Almost surely, 2^16290325 is an apocalyptic number.

It is an amenable number.

16290325 is a deficient number, since it is larger than the sum of its proper divisors (5333291).

16290325 is a wasteful number, since it uses less digits than its factorization.

16290325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 16290325 is about 4036.1274756876. The cubic root of 16290325 is about 253.4991940551.

Adding to 16290325 its reverse (52309261), we get a palindrome (68599586).

The spelling of 16290325 in words is "sixteen million, two hundred ninety thousand, three hundred twenty-five".