16123325 has 6 divisors (see below), whose sum is σ = 19992954. Its totient is φ = 12898640.

The previous prime is 16123321. The next prime is 16123351. The reversal of 16123325 is 52332161.

It can be written as a sum of positive squares in 3 ways, for example, as 1819801 + 14303524 = 1349^2 + 3782^2 .

It is not a de Polignac number, because 16123325 - 2² = 16123321 is a prime.

It is a Duffinian number.

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 16123325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16123321) 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, 322442 + ... + 322491.

It is an arithmetic number, because the mean of its divisors is an integer number (3332159).

Almost surely, 2^16123325 is an apocalyptic number.

It is an amenable number.

16123325 is a deficient number, since it is larger than the sum of its proper divisors (3869629).

16123325 is an equidigital number, since it uses as much as digits as its factorization.

16123325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644943 (or 644938 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 16123325 is about 4015.3860337457. The cubic root of 16123325 is about 252.6299693603.

Adding to 16123325 its reverse (52332161), we get a palindrome (68455486).

The spelling of 16123325 in words is "sixteen million, one hundred twenty-three thousand, three hundred twenty-five".