219055253 has 2 divisors, whose sum is σ = 219055254. Its totient is φ = 219055252.

The previous prime is 219055189. The next prime is 219055267. The reversal of 219055253 is 352550912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159719044 + 59336209 = 12638^2 + 7703^2 .

It is a cyclic number.

It is not a de Polignac number, because 219055253 - 2⁶ = 219055189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219055273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109527626 + 109527627.

It is an arithmetic number, because the mean of its divisors is an integer number (109527627).

Almost surely, 2^219055253 is an apocalyptic number.

It is an amenable number.

219055253 is a deficient number, since it is larger than the sum of its proper divisors (1).

219055253 is an equidigital number, since it uses as much as digits as its factorization.

219055253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 219055253 is about 14800.5152950835. The cubic root of 219055253 is about 602.8157036481.

The spelling of 219055253 in words is "two hundred nineteen million, fifty-five thousand, two hundred fifty-three".