16250225 has 12 divisors (see below), whose sum is σ = 21211440. Its totient is φ = 12315600.

The previous prime is 16250209. The next prime is 16250239. The reversal of 16250225 is 52205261.

It is not a de Polignac number, because 16250225 - 2⁴ = 16250209 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16250225.

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, 16631 + ... + 17580.

It is an arithmetic number, because the mean of its divisors is an integer number (1767620).

Almost surely, 2^16250225 is an apocalyptic number.

It is an amenable number.

16250225 is a deficient number, since it is larger than the sum of its proper divisors (4961215).

16250225 is a wasteful number, since it uses less digits than its factorization.

16250225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34240 (or 34235 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 16250225 is about 4031.1567818680. The cubic root of 16250225 is about 253.2910199797.

Adding to 16250225 its reverse (52205261), we get a palindrome (68455486).

The spelling of 16250225 in words is "sixteen million, two hundred fifty thousand, two hundred twenty-five".