16243325 has 24 divisors (see below), whose sum is σ = 23272320. Its totient is φ = 11016000.

The previous prime is 16243321. The next prime is 16243327. The reversal of 16243325 is 52334261.

It is not a de Polignac number, because 16243325 - 2² = 16243321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16243294 and 16243303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16243321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17216 + ... + 18134.

It is an arithmetic number, because the mean of its divisors is an integer number (969680).

Almost surely, 2^16243325 is an apocalyptic number.

It is an amenable number.

16243325 is a deficient number, since it is larger than the sum of its proper divisors (7028995).

16243325 is a wasteful number, since it uses less digits than its factorization.

16243325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037 (or 1032 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 16243325 is about 4030.3008572562. The cubic root of 16243325 is about 253.2551649796.

Adding to 16243325 its reverse (52334261), we get a palindrome (68577586).

The spelling of 16243325 in words is "sixteen million, two hundred forty-three thousand, three hundred twenty-five".