18125485 has 32 divisors (see below), whose sum is σ = 26998272. Its totient is φ = 11397120.

The previous prime is 18125477. The next prime is 18125507. The reversal of 18125485 is 58452181.

It is not a de Polignac number, because 18125485 - 2³ = 18125477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18125485.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24024 + ... + 24766.

It is an arithmetic number, because the mean of its divisors is an integer number (843696).

Almost surely, 2^18125485 is an apocalyptic number.

It is an amenable number.

18125485 is a deficient number, since it is larger than the sum of its proper divisors (8872787).

18125485 is a wasteful number, since it uses less digits than its factorization.

18125485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813.

The product of its digits is 12800, while the sum is 34.

The square root of 18125485 is about 4257.4035514619. The cubic root of 18125485 is about 262.6817365832.

The spelling of 18125485 in words is "eighteen million, one hundred twenty-five thousand, four hundred eighty-five".