16312325 has 6 divisors (see below), whose sum is σ = 20227314. Its totient is φ = 13049840.

The previous prime is 16312291. The next prime is 16312327. The reversal of 16312325 is 52321361.

It can be written as a sum of positive squares in 3 ways, for example, as 2666689 + 13645636 = 1633^2 + 3694^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16312325 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16312325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16312327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 326222 + ... + 326271.

It is an arithmetic number, because the mean of its divisors is an integer number (3371219).

Almost surely, 2^16312325 is an apocalyptic number.

It is an amenable number.

16312325 is a deficient number, since it is larger than the sum of its proper divisors (3914989).

16312325 is an equidigital number, since it uses as much as digits as its factorization.

16312325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652503 (or 652498 counting only the distinct ones).

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

The square root of 16312325 is about 4038.8519408367. The cubic root of 16312325 is about 253.6132591743.

Adding to 16312325 its reverse (52321361), we get a palindrome (68633686).

The spelling of 16312325 in words is "sixteen million, three hundred twelve thousand, three hundred twenty-five".