618141 has 4 divisors (see below), whose sum is σ = 824192. Its totient is φ = 412092.

The previous prime is 618131. The next prime is 618161. The reversal of 618141 is 141816.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-618141 is a prime.

It is a D-number.

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 an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 618141.

It is not an unprimeable number, because it can be changed into a prime (618131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103021 + ... + 103026.

It is an arithmetic number, because the mean of its divisors is an integer number (206048).

2⁶¹⁸¹⁴¹ is an apocalyptic number.

It is an amenable number.

618141 is a deficient number, since it is larger than the sum of its proper divisors (206051).

618141 is a wasteful number, since it uses less digits than its factorization.

618141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206050.

The product of its digits is 192, while the sum is 21.

The square root of 618141 is about 786.2194350180. The cubic root of 618141 is about 85.1848801665.

Adding to 618141 its reverse (141816), we get a palindrome (759957).

The spelling of 618141 in words is "six hundred eighteen thousand, one hundred forty-one".