18883325 has 6 divisors (see below), whose sum is σ = 23415354. Its totient is φ = 15106640.

The previous prime is 18883307. The next prime is 18883327. The reversal of 18883325 is 52338881.

It can be written as a sum of positive squares in 3 ways, for example, as 315844 + 18567481 = 562^2 + 4309^2 .

It is a de Polignac number, because none of the positive numbers 2^k-18883325 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18883327) 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, 377642 + ... + 377691.

It is an arithmetic number, because the mean of its divisors is an integer number (3902559).

Almost surely, 2^18883325 is an apocalyptic number.

It is an amenable number.

18883325 is a deficient number, since it is larger than the sum of its proper divisors (4532029).

18883325 is an equidigital number, since it uses as much as digits as its factorization.

18883325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755343 (or 755338 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 18883325 is about 4345.4947934614. The cubic root of 18883325 is about 266.2928399110.

The spelling of 18883325 in words is "eighteen million, eight hundred eighty-three thousand, three hundred twenty-five".