618013 has 8 divisors (see below), whose sum is σ = 709920. Its totient is φ = 532080.

The previous prime is 617983. The next prime is 618029. The reversal of 618013 is 310816.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 618013 - 2¹³ = 609821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (88740).

2⁶¹⁸⁰¹³ is an apocalyptic number.

It is an amenable number.

618013 is a deficient number, since it is larger than the sum of its proper divisors (91907).

618013 is a wasteful number, since it uses less digits than its factorization.

618013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 618013 is about 786.1380285929. The cubic root of 618013 is about 85.1789999453.

Adding to 618013 its reverse (310816), we get a palindrome (928829).

The spelling of 618013 in words is "six hundred eighteen thousand, thirteen".