618201 has 12 divisors (see below), whose sum is σ = 900900. Its totient is φ = 408480.

The previous prime is 618199. The next prime is 618227. The reversal of 618201 is 102816.

It can be written as a sum of positive squares in 2 ways, for example, as 129600 + 488601 = 360^2 + 699^2 .

It is not a de Polignac number, because 618201 - 2¹ = 618199 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 618201.

It is not an unprimeable number, because it can be changed into a prime (618271) 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, 1111 + ... + 1571.

It is an arithmetic number, because the mean of its divisors is an integer number (75075).

2⁶¹⁸²⁰¹ is an apocalyptic number.

It is an amenable number.

618201 is a deficient number, since it is larger than the sum of its proper divisors (282699).

618201 is a wasteful number, since it uses less digits than its factorization.

618201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 618201 is about 786.2575913783. The cubic root of 618201 is about 85.1876362407.

The spelling of 618201 in words is "six hundred eighteen thousand, two hundred one".