16320125 has 16 divisors (see below), whose sum is σ = 20537712. Its totient is φ = 12947200.

The previous prime is 16320121. The next prime is 16320137. The reversal of 16320125 is 52102361.

It can be written as a sum of positive squares in 8 ways, for example, as 5257849 + 11062276 = 2293^2 + 3326^2 .

It is not a de Polignac number, because 16320125 - 2² = 16320121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16320097 and 16320106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16320121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16649 + ... + 17601.

It is an arithmetic number, because the mean of its divisors is an integer number (1283607).

Almost surely, 2^16320125 is an apocalyptic number.

It is an amenable number.

16320125 is a deficient number, since it is larger than the sum of its proper divisors (4217587).

16320125 is an equidigital number, since it uses as much as digits as its factorization.

16320125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 16320125 is about 4039.8174463706. The cubic root of 16320125 is about 253.6536758165.

Adding to 16320125 its reverse (52102361), we get a palindrome (68422486).

The spelling of 16320125 in words is "sixteen million, three hundred twenty thousand, one hundred twenty-five".