18052525 has 12 divisors (see below), whose sum is σ = 22766400. Its totient is φ = 14196080.

The previous prime is 18052513. The next prime is 18052553. The reversal of 18052525 is 52525081.

It is not a de Polignac number, because 18052525 - 2¹¹ = 18050477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18052493 and 18052502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4645 + ... + 7594.

It is an arithmetic number, because the mean of its divisors is an integer number (1897200).

Almost surely, 2^18052525 is an apocalyptic number.

It is an amenable number.

18052525 is a deficient number, since it is larger than the sum of its proper divisors (4713875).

18052525 is a wasteful number, since it uses less digits than its factorization.

18052525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12308 (or 12303 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 18052525 is about 4248.8263085233. The cubic root of 18052525 is about 262.3288075023.

The spelling of 18052525 in words is "eighteen million, fifty-two thousand, five hundred twenty-five".