18525485 has 8 divisors (see below), whose sum is σ = 24251616. Its totient is φ = 13473040.

The previous prime is 18525449. The next prime is 18525497. The reversal of 18525485 is 58452581.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18525485 - 2¹⁶ = 18459949 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 168359 + ... + 168468.

It is an arithmetic number, because the mean of its divisors is an integer number (3031452).

Almost surely, 2^18525485 is an apocalyptic number.

It is an amenable number.

18525485 is a deficient number, since it is larger than the sum of its proper divisors (5726131).

18525485 is a wasteful number, since it uses less digits than its factorization.

18525485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336843.

The product of its digits is 64000, while the sum is 38.

The square root of 18525485 is about 4304.1241850114. The cubic root of 18525485 is about 264.6000136355.

It can be divided in two parts, 1852 and 5485, that added together give a palindrome (7337).

The spelling of 18525485 in words is "eighteen million, five hundred twenty-five thousand, four hundred eighty-five".