541818 has 24 divisors (see below), whose sum is σ = 1213056. Its totient is φ = 174600.

The previous prime is 541817. The next prime is 541831. The reversal of 541818 is 818145.

It is an alternating number because its digits alternate between odd and even.

541818 is a modest number, since divided by 1818 gives 54 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 541791 and 541800.

It is not an unprimeable number, because it can be changed into a prime (541817) 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, 73 + ... + 1043.

It is an arithmetic number, because the mean of its divisors is an integer number (50544).

2⁵⁴¹⁸¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 541818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606528).

541818 is an abundant number, since it is smaller than the sum of its proper divisors (671238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

541818 is a wasteful number, since it uses less digits than its factorization.

541818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1007 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 541818 is about 736.0828757688. The cubic root of 541818 is about 81.5238115276.

The spelling of 541818 in words is "five hundred forty-one thousand, eight hundred eighteen".