215353 has 2 divisors, whose sum is σ = 215354. Its totient is φ = 215352.

The previous prime is 215351. The next prime is 215359. The reversal of 215353 is 353512.

215353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121104 + 94249 = 348^2 + 307^2 .

It is a cyclic number.

It is not a de Polignac number, because 215353 - 2¹ = 215351 is a prime.

Together with 215351, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 3⁷ + 5³ + 5⁵ + 3¹¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 215353.

It is not a weakly prime, because it can be changed into another prime (215351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107676 + 107677.

It is an arithmetic number, because the mean of its divisors is an integer number (107677).

2²¹⁵³⁵³ is an apocalyptic number.

It is an amenable number.

215353 is a deficient number, since it is larger than the sum of its proper divisors (1).

215353 is an equidigital number, since it uses as much as digits as its factorization.

215353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450, while the sum is 19.

The square root of 215353 is about 464.0614183489. The cubic root of 215353 is about 59.9400326779.

Adding to 215353 its reverse (353512), we get a palindrome (568865).

The spelling of 215353 in words is "two hundred fifteen thousand, three hundred fifty-three".