18536025 has 24 divisors (see below), whose sum is σ = 30962304. Its totient is φ = 9784000.

The previous prime is 18535991. The next prime is 18536057. The reversal of 18536025 is 52063581.

It is not a de Polignac number, because 18536025 - 2⁶ = 18535961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18535983 and 18536001.

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 23 ways as a sum of consecutive naturals, for example, 6352 + ... + 8798.

It is an arithmetic number, because the mean of its divisors is an integer number (1290096).

Almost surely, 2^18536025 is an apocalyptic number.

18536025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18536025 is a deficient number, since it is larger than the sum of its proper divisors (12426279).

18536025 is a wasteful number, since it uses less digits than its factorization.

18536025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 18536025 is about 4305.3484179564. The cubic root of 18536025 is about 264.6501851588.

The spelling of 18536025 in words is "eighteen million, five hundred thirty-six thousand, twenty-five".