618086201 has 4 divisors (see below), whose sum is σ = 620858112. Its totient is φ = 615314292.

The previous prime is 618086197. The next prime is 618086213. The reversal of 618086201 is 102680816.

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 cyclic number.

It is not a de Polignac number, because 618086201 - 2² = 618086197 is a prime.

It is a super-2 number, since 2×618086201² = 764061103733224802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (618086281) 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, 1385621 + ... + 1386066.

It is an arithmetic number, because the mean of its divisors is an integer number (155214528).

Almost surely, 2^618086201 is an apocalyptic number.

It is an amenable number.

618086201 is a deficient number, since it is larger than the sum of its proper divisors (2771911).

618086201 is a wasteful number, since it uses less digits than its factorization.

618086201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771910.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 618086201 is about 24861.3394852329. The cubic root of 618086201 is about 851.8236284211.

The spelling of 618086201 in words is "six hundred eighteen million, eighty-six thousand, two hundred one".