618541 has 16 divisors (see below), whose sum is σ = 800640. Its totient is φ = 463680.

The previous prime is 618521. The next prime is 618547. The reversal of 618541 is 145816.

It is not a de Polignac number, because 618541 - 2⁵ = 618509 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2095 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (50040).

2⁶¹⁸⁵⁴¹ is an apocalyptic number.

It is an amenable number.

618541 is a deficient number, since it is larger than the sum of its proper divisors (182099).

618541 is a wasteful number, since it uses less digits than its factorization.

618541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324.

The product of its digits is 960, while the sum is 25.

The square root of 618541 is about 786.4737757866. The cubic root of 618541 is about 85.2032506272.

It can be divided in two parts, 6185 and 41, that added together give a palindrome (6226).

The spelling of 618541 in words is "six hundred eighteen thousand, five hundred forty-one".