16065025 has 12 divisors (see below), whose sum is σ = 20052412. Its totient is φ = 12767040.

The previous prime is 16065019. The next prime is 16065047. The reversal of 16065025 is 52056061.

It can be written as a sum of positive squares in 6 ways, for example, as 1327104 + 14737921 = 1152^2 + 3839^2 .

It is not a de Polignac number, because 16065025 - 2⁹ = 16064513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1879 + ... + 5971.

Almost surely, 2^16065025 is an apocalyptic number.

It is an amenable number.

16065025 is a deficient number, since it is larger than the sum of its proper divisors (3987387).

16065025 is a wasteful number, since it uses less digits than its factorization.

16065025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260 (or 4255 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 16065025 is about 4008.1198834366. The cubic root of 16065025 is about 252.3251084438.

The spelling of 16065025 in words is "sixteen million, sixty-five thousand, twenty-five".