218361341 has 4 divisors (see below), whose sum is σ = 238212384. Its totient is φ = 198510300.

The previous prime is 218361337. The next prime is 218361343. The reversal of 218361341 is 143163812.

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 218361341 - 2² = 218361337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218361343) 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, 9925505 + ... + 9925526.

It is an arithmetic number, because the mean of its divisors is an integer number (59553096).

Almost surely, 2^218361341 is an apocalyptic number.

It is an amenable number.

218361341 is a deficient number, since it is larger than the sum of its proper divisors (19851043).

218361341 is a wasteful number, since it uses less digits than its factorization.

218361341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19851042.

The product of its digits is 3456, while the sum is 29.

The square root of 218361341 is about 14777.0545441235. The cubic root of 218361341 is about 602.1785074542.

The spelling of 218361341 in words is "two hundred eighteen million, three hundred sixty-one thousand, three hundred forty-one".