18753485 has 4 divisors (see below), whose sum is σ = 22504188. Its totient is φ = 15002784.

The previous prime is 18753479. The next prime is 18753491. The reversal of 18753485 is 58435781.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (18753479) and next prime (18753491).

It can be written as a sum of positive squares in 2 ways, for example, as 14600041 + 4153444 = 3821^2 + 2038^2 .

It is a cyclic number.

It is not a de Polignac number, because 18753485 - 2⁶ = 18753421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875344 + ... + 1875353.

It is an arithmetic number, because the mean of its divisors is an integer number (5626047).

Almost surely, 2^18753485 is an apocalyptic number.

It is an amenable number.

18753485 is a deficient number, since it is larger than the sum of its proper divisors (3750703).

18753485 is an equidigital number, since it uses as much as digits as its factorization.

18753485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750702.

The product of its digits is 134400, while the sum is 41.

The square root of 18753485 is about 4330.5294133628. The cubic root of 18753485 is about 265.6811006765.

The spelling of 18753485 in words is "eighteen million, seven hundred fifty-three thousand, four hundred eighty-five".