18756125 has 16 divisors (see below), whose sum is σ = 23565360. Its totient is φ = 14904000.

The previous prime is 18756071. The next prime is 18756131. The reversal of 18756125 is 52165781.

It can be written as a sum of positive squares in 8 ways, for example, as 11648569 + 7107556 = 3413^2 + 2666^2 .

It is not a de Polignac number, because 18756125 - 2¹⁰ = 18755101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22211 + ... + 23039.

It is an arithmetic number, because the mean of its divisors is an integer number (1472835).

Almost surely, 2^18756125 is an apocalyptic number.

It is an amenable number.

18756125 is a deficient number, since it is larger than the sum of its proper divisors (4809235).

18756125 is an equidigital number, since it uses as much as digits as its factorization.

18756125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1015 counting only the distinct ones).

The product of its digits is 16800, while the sum is 35.

The square root of 18756125 is about 4330.8342152523. The cubic root of 18756125 is about 265.6935670740.

It can be divided in two parts, 18756 and 125, that added together give a palindrome (18881).

The spelling of 18756125 in words is "eighteen million, seven hundred fifty-six thousand, one hundred twenty-five".