18152025 has 24 divisors (see below), whose sum is σ = 30206400. Its totient is φ = 9618240.

The previous prime is 18152021. The next prime is 18152027. The reversal of 18152025 is 52025181.

It is not a de Polignac number, because 18152025 - 2² = 18152021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18151986 and 18152004.

It is not an unprimeable number, because it can be changed into a prime (18152021) 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 23 ways as a sum of consecutive naturals, for example, 12276 + ... + 13674.

It is an arithmetic number, because the mean of its divisors is an integer number (1258600).

Almost surely, 2^18152025 is an apocalyptic number.

18152025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18152025 is a deficient number, since it is larger than the sum of its proper divisors (12054375).

18152025 is a wasteful number, since it uses less digits than its factorization.

18152025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585 (or 1580 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 18152025 is about 4260.5193345413. The cubic root of 18152025 is about 262.8098834691.

The spelling of 18152025 in words is "eighteen million, one hundred fifty-two thousand, twenty-five".