18542041 has 12 divisors (see below), whose sum is σ = 21677328. Its totient is φ = 15813672.

The previous prime is 18542039. The next prime is 18542059. The reversal of 18542041 is 14024581.

It is not a de Polignac number, because 18542041 - 2¹ = 18542039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18541997 and 18542015.

It is not an unprimeable number, because it can be changed into a prime (18542441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10290 + ... + 11956.

It is an arithmetic number, because the mean of its divisors is an integer number (1806444).

Almost surely, 2^18542041 is an apocalyptic number.

It is an amenable number.

18542041 is a deficient number, since it is larger than the sum of its proper divisors (3135287).

18542041 is a wasteful number, since it uses less digits than its factorization.

18542041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 1901 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 18542041 is about 4306.0470271468. The cubic root of 18542041 is about 264.6788134344.

The spelling of 18542041 in words is "eighteen million, five hundred forty-two thousand, forty-one".