18425325 has 12 divisors (see below), whose sum is σ = 30463328. Its totient is φ = 9826800.

The previous prime is 18425321. The next prime is 18425327. The reversal of 18425325 is 52352481.

It is not a de Polignac number, because 18425325 - 2² = 18425321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18425292 and 18425301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18425321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122761 + ... + 122910.

Almost surely, 2^18425325 is an apocalyptic number.

18425325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18425325 is a deficient number, since it is larger than the sum of its proper divisors (12038003).

18425325 is a wasteful number, since it uses less digits than its factorization.

18425325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245684 (or 245679 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 18425325 is about 4292.4730633983. The cubic root of 18425325 is about 264.1222889603.

The spelling of 18425325 in words is "eighteen million, four hundred twenty-five thousand, three hundred twenty-five".