18675525 has 24 divisors (see below), whose sum is σ = 33685344. Its totient is φ = 9054400.

The previous prime is 18675487. The next prime is 18675533. The reversal of 18675525 is 52557681.

It is not a de Polignac number, because 18675525 - 2¹⁰ = 18674501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10494 + ... + 12143.

It is an arithmetic number, because the mean of its divisors is an integer number (1403556).

Almost surely, 2^18675525 is an apocalyptic number.

18675525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18675525 is a deficient number, since it is larger than the sum of its proper divisors (15009819).

18675525 is a wasteful number, since it uses less digits than its factorization.

18675525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22661 (or 22656 counting only the distinct ones).

The product of its digits is 84000, while the sum is 39.

The square root of 18675525 is about 4321.5188302262. The cubic root of 18675525 is about 265.3124355751.

It can be divided in two parts, 186 and 75525, that multiplied together give a triangular number (14047650 = T₅₃₀₀).

The spelling of 18675525 in words is "eighteen million, six hundred seventy-five thousand, five hundred twenty-five".