18275841 has 8 divisors (see below), whose sum is σ = 27075360. Its totient is φ = 12183876.

The previous prime is 18275837. The next prime is 18275863. The reversal of 18275841 is 14857281.

It is not a de Polignac number, because 18275841 - 2² = 18275837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18275796 and 18275805.

It is not an unprimeable number, because it can be changed into a prime (18275801) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 338415 + ... + 338468.

It is an arithmetic number, because the mean of its divisors is an integer number (3384420).

Almost surely, 2^18275841 is an apocalyptic number.

It is an amenable number.

18275841 is a deficient number, since it is larger than the sum of its proper divisors (8799519).

18275841 is an equidigital number, since it uses as much as digits as its factorization.

18275841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676892 (or 676886 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 18275841 is about 4275.0252630832. The cubic root of 18275841 is about 263.4060770387.

The spelling of 18275841 in words is "eighteen million, two hundred seventy-five thousand, eight hundred forty-one".