218952053 has 4 divisors (see below), whose sum is σ = 218991360. Its totient is φ = 218912748.

The previous prime is 218952049. The next prime is 218952089. The reversal of 218952053 is 350259812.

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 218952053 - 2² = 218952049 is a prime.

It is a super-3 number, since 3×218952053³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218952653) 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, 9575 + ... + 23012.

It is an arithmetic number, because the mean of its divisors is an integer number (54747840).

Almost surely, 2^218952053 is an apocalyptic number.

It is an amenable number.

218952053 is a deficient number, since it is larger than the sum of its proper divisors (39307).

218952053 is an equidigital number, since it uses as much as digits as its factorization.

218952053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39306.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 218952053 is about 14797.0285192670. The cubic root of 218952053 is about 602.7210238025.

The spelling of 218952053 in words is "two hundred eighteen million, nine hundred fifty-two thousand, fifty-three".