219953 has 2 divisors, whose sum is σ = 219954. Its totient is φ = 219952.

The previous prime is 219943. The next prime is 219959. The reversal of 219953 is 359912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134689 + 85264 = 367^2 + 292^2 .

It is a cyclic number.

It is not a de Polignac number, because 219953 - 2⁴ = 219937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (219959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109976 + 109977.

It is an arithmetic number, because the mean of its divisors is an integer number (109977).

2²¹⁹⁹⁵³ is an apocalyptic number.

It is an amenable number.

219953 is a deficient number, since it is larger than the sum of its proper divisors (1).

219953 is an equidigital number, since it uses as much as digits as its factorization.

219953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430, while the sum is 29.

The square root of 219953 is about 468.9914711378. The cubic root of 219953 is about 60.3638081208.

The spelling of 219953 in words is "two hundred nineteen thousand, nine hundred fifty-three".