18242095 has 4 divisors (see below), whose sum is σ = 21890520. Its totient is φ = 14593672.

The previous prime is 18242093. The next prime is 18242099. The reversal of 18242095 is 59024281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59024281 = 181 ⋅326101.

It is a cyclic number.

It is not a de Polignac number, because 18242095 - 2¹ = 18242093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18242093) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1824205 + ... + 1824214.

It is an arithmetic number, because the mean of its divisors is an integer number (5472630).

Almost surely, 2^18242095 is an apocalyptic number.

18242095 is a deficient number, since it is larger than the sum of its proper divisors (3648425).

18242095 is an equidigital number, since it uses as much as digits as its factorization.

18242095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648424.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 18242095 is about 4271.0765621796. The cubic root of 18242095 is about 263.2438523444.

The spelling of 18242095 in words is "eighteen million, two hundred forty-two thousand, ninety-five".