18823325 has 6 divisors (see below), whose sum is σ = 23340954. Its totient is φ = 15058640.

The previous prime is 18823313. The next prime is 18823327. The reversal of 18823325 is 52332881.

It can be written as a sum of positive squares in 3 ways, for example, as 143641 + 18679684 = 379^2 + 4322^2 .

It is not a de Polignac number, because 18823325 - 2⁶ = 18823261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18823291 and 18823300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18823327) 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, 376442 + ... + 376491.

It is an arithmetic number, because the mean of its divisors is an integer number (3890159).

Almost surely, 2^18823325 is an apocalyptic number.

It is an amenable number.

18823325 is a deficient number, since it is larger than the sum of its proper divisors (4517629).

18823325 is an equidigital number, since it uses as much as digits as its factorization.

18823325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752943 (or 752938 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 18823325 is about 4338.5855990173. The cubic root of 18823325 is about 266.0105004617.

The spelling of 18823325 in words is "eighteen million, eight hundred twenty-three thousand, three hundred twenty-five".