18750525 has 12 divisors (see below), whose sum is σ = 31000992. Its totient is φ = 10000240.

The previous prime is 18750503. The next prime is 18750533. The reversal of 18750525 is 52505781.

It is a happy number.

It is not a de Polignac number, because 18750525 - 2⁵ = 18750493 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 124929 + ... + 125078.

It is an arithmetic number, because the mean of its divisors is an integer number (2583416).

Almost surely, 2^18750525 is an apocalyptic number.

18750525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18750525 is a deficient number, since it is larger than the sum of its proper divisors (12250467).

18750525 is a wasteful number, since it uses less digits than its factorization.

18750525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250020 (or 250015 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 18750525 is about 4330.1876402761. The cubic root of 18750525 is about 265.6671218092.

The spelling of 18750525 in words is "eighteen million, seven hundred fifty thousand, five hundred twenty-five".