16423325 has 12 divisors (see below), whose sum is σ = 20433588. Its totient is φ = 13094400.

The previous prime is 16423313. The next prime is 16423327. The reversal of 16423325 is 52332461.

It can be written as a sum of positive squares in 6 ways, for example, as 4713241 + 11710084 = 2171^2 + 3422^2 .

It is not a de Polignac number, because 16423325 - 2⁶ = 16423261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16423294 and 16423303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16423327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7895 + ... + 9755.

It is an arithmetic number, because the mean of its divisors is an integer number (1702799).

Almost surely, 2^16423325 is an apocalyptic number.

It is an amenable number.

16423325 is a deficient number, since it is larger than the sum of its proper divisors (4010263).

16423325 is a wasteful number, since it uses less digits than its factorization.

16423325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224 (or 2219 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 16423325 is about 4052.5701721253. The cubic root of 16423325 is about 254.1872108569.

Adding to 16423325 its reverse (52332461), we get a palindrome (68755786).

The spelling of 16423325 in words is "sixteen million, four hundred twenty-three thousand, three hundred twenty-five".