18063525 has 24 divisors (see below), whose sum is σ = 30024864. Its totient is φ = 9582400.

The previous prime is 18063517. The next prime is 18063527. The reversal of 18063525 is 52536081.

It is not a de Polignac number, because 18063525 - 2³ = 18063517 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18063492 and 18063501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18063527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16495 + ... + 17555.

It is an arithmetic number, because the mean of its divisors is an integer number (1251036).

Almost surely, 2^18063525 is an apocalyptic number.

18063525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18063525 is a deficient number, since it is larger than the sum of its proper divisors (11961339).

18063525 is a wasteful number, since it uses less digits than its factorization.

18063525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1296 counting only the distinct ones).

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

The square root of 18063525 is about 4250.1205865246. The cubic root of 18063525 is about 262.3820785540.

The spelling of 18063525 in words is "eighteen million, sixty-three thousand, five hundred twenty-five".