18079025 has 6 divisors (see below), whose sum is σ = 22418022. Its totient is φ = 14463200.

The previous prime is 18078947. The next prime is 18079031. The reversal of 18079025 is 52097081.

It can be written as a sum of positive squares in 3 ways, for example, as 295936 + 17783089 = 544^2 + 4217^2 .

It is not a de Polignac number, because 18079025 - 2¹² = 18074929 is a prime.

It is a super-2 number, since 2×18079025² = 653702289901250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18078982 and 18079000.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 361556 + ... + 361605.

It is an arithmetic number, because the mean of its divisors is an integer number (3736337).

Almost surely, 2^18079025 is an apocalyptic number.

It is an amenable number.

18079025 is a deficient number, since it is larger than the sum of its proper divisors (4338997).

18079025 is an equidigital number, since it uses as much as digits as its factorization.

18079025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723171 (or 723166 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 18079025 is about 4251.9436731923. The cubic root of 18079025 is about 262.4571056140.

The spelling of 18079025 in words is "eighteen million, seventy-nine thousand, twenty-five".