16284025 has 6 divisors (see below), whose sum is σ = 20192222. Its totient is φ = 13027200.

The previous prime is 16284017. The next prime is 16284029. The reversal of 16284025 is 52048261.

It can be written as a sum of positive squares in 3 ways, for example, as 219961 + 16064064 = 469^2 + 4008^2 .

It is not a de Polignac number, because 16284025 - 2³ = 16284017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16283984 and 16284002.

It is not an unprimeable number, because it can be changed into a prime (16284029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325656 + ... + 325705.

Almost surely, 2^16284025 is an apocalyptic number.

It is an amenable number.

16284025 is a deficient number, since it is larger than the sum of its proper divisors (3908197).

16284025 is an equidigital number, since it uses as much as digits as its factorization.

16284025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651371 (or 651366 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 16284025 is about 4035.3469491482. The cubic root of 16284025 is about 253.4665110394.

The spelling of 16284025 in words is "sixteen million, two hundred eighty-four thousand, twenty-five".